Back to worksheets Maths Ages 10-12
Simplifying fractions Divide numerator and denominator by their highest common factor to write a fraction in simplest form. Review suitability for your learners before teaching.
Student worksheet Answer key
Worksheet Studio Practice pack · Ages 10-12
Simplifying fractions Take your time. Show your thinking.
1. Simplify the fraction 20/25 to its lowest terms.
20 · 25 · Simplifying fractions
2. Simplify the fraction 56/64 to its lowest terms.
56 · 64 · Simplifying fractions
3. Simplify the fraction 7/35 to its lowest terms.
7 · 35 · Simplifying fractions
4. Simplify the fraction 36/45 to its lowest terms.
36 · 45 · Simplifying fractions
5. Simplify the fraction 18/45 to its lowest terms.
18 · 45 · Simplifying fractions
6. Simplify the fraction 33/44 to its lowest terms.
33 · 44 · Simplifying fractions
7. Simplify the fraction 18/24 to its lowest terms.
18 · 24 · Simplifying fractions
8. Simplify the fraction 3/6 to its lowest terms.
3 · 6 · Simplifying fractions
9. Simplify the fraction 36/48 to its lowest terms.
36 · 48 · Simplifying fractions
10. Simplify the fraction 9/24 to its lowest terms.
9 · 24 · Simplifying fractions
11. Simplify the fraction 15/24 to its lowest terms.
15 · 24 · Simplifying fractions
12. Simplify the fraction 10/30 to its lowest terms.
10 · 30 · Simplifying fractions
12 questions · Seed 104729 · Age guidance, not curriculum certification
View the answer key Worksheet Studio Answer key · Ages 10-12
Simplifying fractions Answers and reasoning. Review before teaching.
1. Simplify the fraction 20/25 to its lowest terms.
4/5 Divide numerator and denominator by their highest common factor (5): 20 ÷ 5 = 4 and 25 ÷ 5 = 5.
2. Simplify the fraction 56/64 to its lowest terms.
7/8 Divide numerator and denominator by their highest common factor (8): 56 ÷ 8 = 7 and 64 ÷ 8 = 8.
3. Simplify the fraction 7/35 to its lowest terms.
1/5 Divide numerator and denominator by their highest common factor (7): 7 ÷ 7 = 1 and 35 ÷ 7 = 5.
4. Simplify the fraction 36/45 to its lowest terms.
4/5 Divide numerator and denominator by their highest common factor (9): 36 ÷ 9 = 4 and 45 ÷ 9 = 5.
5. Simplify the fraction 18/45 to its lowest terms.
2/5 Divide numerator and denominator by their highest common factor (9): 18 ÷ 9 = 2 and 45 ÷ 9 = 5.
6. Simplify the fraction 33/44 to its lowest terms.
3/4 Divide numerator and denominator by their highest common factor (11): 33 ÷ 11 = 3 and 44 ÷ 11 = 4.
7. Simplify the fraction 18/24 to its lowest terms.
3/4 Divide numerator and denominator by their highest common factor (6): 18 ÷ 6 = 3 and 24 ÷ 6 = 4.
8. Simplify the fraction 3/6 to its lowest terms.
1/2 Divide numerator and denominator by their highest common factor (3): 3 ÷ 3 = 1 and 6 ÷ 3 = 2.
9. Simplify the fraction 36/48 to its lowest terms.
3/4 Divide numerator and denominator by their highest common factor (12): 36 ÷ 12 = 3 and 48 ÷ 12 = 4.
10. Simplify the fraction 9/24 to its lowest terms.
3/8 Divide numerator and denominator by their highest common factor (3): 9 ÷ 3 = 3 and 24 ÷ 3 = 8.
11. Simplify the fraction 15/24 to its lowest terms.
5/8 Divide numerator and denominator by their highest common factor (3): 15 ÷ 3 = 5 and 24 ÷ 3 = 8.
12. Simplify the fraction 10/30 to its lowest terms.
1/3 Divide numerator and denominator by their highest common factor (10): 10 ÷ 10 = 1 and 30 ÷ 10 = 3.
12 questions · Seed 104729 · Age guidance, not curriculum certification
Worksheet Studio Practice pack · Ages 10-12
Simplifying fractions Take your time. Show your thinking.
1. Simplify the fraction 20/25 to its lowest terms.
20 · 25 · Simplifying fractions
2. Simplify the fraction 56/64 to its lowest terms.
56 · 64 · Simplifying fractions
3. Simplify the fraction 7/35 to its lowest terms.
7 · 35 · Simplifying fractions
4. Simplify the fraction 36/45 to its lowest terms.
36 · 45 · Simplifying fractions
5. Simplify the fraction 18/45 to its lowest terms.
18 · 45 · Simplifying fractions
6. Simplify the fraction 33/44 to its lowest terms.
33 · 44 · Simplifying fractions
7. Simplify the fraction 18/24 to its lowest terms.
18 · 24 · Simplifying fractions
8. Simplify the fraction 3/6 to its lowest terms.
3 · 6 · Simplifying fractions
9. Simplify the fraction 36/48 to its lowest terms.
36 · 48 · Simplifying fractions
10. Simplify the fraction 9/24 to its lowest terms.
9 · 24 · Simplifying fractions
11. Simplify the fraction 15/24 to its lowest terms.
15 · 24 · Simplifying fractions
12. Simplify the fraction 10/30 to its lowest terms.
10 · 30 · Simplifying fractions
12 questions · Seed 104729 · Age guidance, not curriculum certification
Worksheet Studio Answer key · Ages 10-12
Simplifying fractions Answers and reasoning. Review before teaching.
1. Simplify the fraction 20/25 to its lowest terms.
4/5 Divide numerator and denominator by their highest common factor (5): 20 ÷ 5 = 4 and 25 ÷ 5 = 5.
2. Simplify the fraction 56/64 to its lowest terms.
7/8 Divide numerator and denominator by their highest common factor (8): 56 ÷ 8 = 7 and 64 ÷ 8 = 8.
3. Simplify the fraction 7/35 to its lowest terms.
1/5 Divide numerator and denominator by their highest common factor (7): 7 ÷ 7 = 1 and 35 ÷ 7 = 5.
4. Simplify the fraction 36/45 to its lowest terms.
4/5 Divide numerator and denominator by their highest common factor (9): 36 ÷ 9 = 4 and 45 ÷ 9 = 5.
5. Simplify the fraction 18/45 to its lowest terms.
2/5 Divide numerator and denominator by their highest common factor (9): 18 ÷ 9 = 2 and 45 ÷ 9 = 5.
6. Simplify the fraction 33/44 to its lowest terms.
3/4 Divide numerator and denominator by their highest common factor (11): 33 ÷ 11 = 3 and 44 ÷ 11 = 4.
7. Simplify the fraction 18/24 to its lowest terms.
3/4 Divide numerator and denominator by their highest common factor (6): 18 ÷ 6 = 3 and 24 ÷ 6 = 4.
8. Simplify the fraction 3/6 to its lowest terms.
1/2 Divide numerator and denominator by their highest common factor (3): 3 ÷ 3 = 1 and 6 ÷ 3 = 2.
9. Simplify the fraction 36/48 to its lowest terms.
3/4 Divide numerator and denominator by their highest common factor (12): 36 ÷ 12 = 3 and 48 ÷ 12 = 4.
10. Simplify the fraction 9/24 to its lowest terms.
3/8 Divide numerator and denominator by their highest common factor (3): 9 ÷ 3 = 3 and 24 ÷ 3 = 8.
11. Simplify the fraction 15/24 to its lowest terms.
5/8 Divide numerator and denominator by their highest common factor (3): 15 ÷ 3 = 5 and 24 ÷ 3 = 8.
12. Simplify the fraction 10/30 to its lowest terms.
1/3 Divide numerator and denominator by their highest common factor (10): 10 ÷ 10 = 1 and 30 ÷ 10 = 3.
12 questions · Seed 104729 · Age guidance, not curriculum certification
More maths worksheets Also in: 3rd Grade Worksheets