MathIQO worksheet
Add and subtract fractions with unlike denominators · Grade 7 · B2.5
Name: ______________________
Date: ______________________
- 1
Add: 12 + 13. Give your answer as a fraction.
Warm-upAnswer:
- 2
Add: 13 + 24. Give your answer as a fraction.
Warm-upAnswer:
- 3
Add: 12 + 13. Give your answer as a fraction.
Warm-upAnswer:
- 4
Subtract: 23 − 14. Give your answer as a fraction.
On levelAnswer:
- 5
Subtract: 24 − 13. Give your answer as a fraction.
On levelAnswer:
- 6
Subtract: 12 − 25. Give your answer as a fraction.
On levelAnswer:
- 7
Add: 68 + 59. Give your answer as a fraction.
ChallengeAnswer:
- 8
Add: 15 + 18. Give your answer as a fraction.
ChallengeAnswer:
- 9
Add: 15 + 512. Give your answer as a fraction.
ChallengeAnswer:
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Worksheet code: eyJzIjoibnVtYmVyLWZyYWN0aW9uLWFkZC1zdWJ0cmFjdC11bmxpa2UiLCJkIjpbMTAyNzYyNTMyMiw3MzQ4MjM4MDIsMTAwNzk2MTk0MCw4NDE4NzM5OTUsOTkwMzI2MTIyLDg4NDgzMzQwMiwxMzUyMjkwNzQ5LDQyNjIyNTE0NiwxNzAwNTgzMjU2XSwidiI6MX0.103e636bdd21
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Answer key · Add and subtract fractions with unlike denominators
- 1.5/6 — Common denominator 6: 36 + 26 = 56.
- 2.5/6 — Common denominator 12: 412 + 612 = 1012.
- 3.5/6 — Common denominator 6: 36 + 26 = 56.
- 4.5/12 — Common denominator 12: 812 − 312 = 512.
- 5.1/6 — Common denominator 12: 612 − 412 = 212.
- 6.1/10 — Common denominator 10: 510 − 410 = 110.
- 7.47/36 — Common denominator 72: 5472 + 4072 = 9472.
- 8.13/40 — Common denominator 40: 840 + 540 = 1340.
- 9.37/60 — Common denominator 60: 1260 + 2560 = 3760.