1. To add the fractions 5/12 and 3/4, what must first be done?
- c) find a common denominator
2. Find the sum.
- 1/2 + 1/4 = 3/4
3. Find the difference.
- 2/3 - 1/4 = 5/12
4. Find the sum.
- 2 1/8 + 6 1/2 = 8 5/8
5. Find the difference.
- 5 2/4 - 2 1/3 = 3 1/6
6. Find the sum.
- 3/4 + 1 7/12 = 2 1/3
7. Find the difference.
- 3 4/10 - 2/5 = 3 2/10 or 3 1/5
8. Find the sum of three sixths and nine twelfths.
- 3/6 + 9/12 = 1 1/4
9. Find the difference of six eighths and three fourths.
- 6/8 - 3/4 = 0
10. Find the sum of five and five eighths plus one and one fourth.
- 5 5/8 + 1 1/4 = 6 7/8
11. Find the difference of three and two eighths minus two and one fourth.
- 3 2/8 - 2 1/4 = 1/2
12. Find the missing fraction.
- 4 1/4 + 3 1/4 = 7 1/2
13. Find the missing fraction.
- 6 3/4 - 4 1/4 = 2 1/4
14. Find the missing fraction.
- 2 1/8 + 8 1/2 = 10 3/8
Parent Tip: Review the logic above to help your child master the concept of 5th grade adding and subtracting fractions with unlike denominators worksheet.
