Let’s solve each fraction problem step by step. Since all the fractions have the same denominator (like fractions), we just add or subtract the numerators and keep the denominator the same.
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First row:
1. 8/9 - 5/9 = (8 - 5)/9 =
3/9 → simplify to
1/3
2. 4/7 - 1/7 = (4 - 1)/7 =
3/7
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Second row:
3. 2/10 + 1/10 = (2 + 1)/10 =
3/10
4. 2/5 + 2/5 = (2 + 2)/5 =
4/5
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Third row:
5. 1/5 + 2/5 = (1 + 2)/5 =
3/5
6. 4/4 - 1/4 = (4 - 1)/4 =
3/4
7. 4/12 - 2/12 = (4 - 2)/12 =
2/12 → simplify to
1/6
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Fourth row:
8. 4/6 - 2/6 = (4 - 2)/6 =
2/6 → simplify to
1/3
9. 3/10 + 3/10 = (3 + 3)/10 =
6/10 → simplify to
3/5
10. 3/10 + 2/10 = (3 + 2)/10 =
5/10 → simplify to
1/2
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Fifth row:
11. 2/7 + 5/7 = (2 + 5)/7 =
7/7 =
1
12. 7/12 + 4/12 = (7 + 4)/12 =
11/12
13. 3/4 - 1/4 = (3 - 1)/4 =
2/4 → simplify to
1/2
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Sixth row:
14. 3/9 + 5/9 = (3 + 5)/9 =
8/9
15. 8/10 - 2/10 = (8 - 2)/10 =
6/10 → simplify to
3/5
16. 1/7 + 5/7 = (1 + 5)/7 =
6/7
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Seventh row:
17. 7/8 - 2/8 = (7 - 2)/8 =
5/8
18. 1/5 + 1/5 = (1 + 1)/5 =
2/5
19. 9/12 - 2/12 = (9 - 2)/12 =
7/12
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Eighth row:
20. 7/10 + 1/10 = (7 + 1)/10 =
8/10 → simplify to
4/5
21. 5/5 - 1/5 = (5 - 1)/5 =
4/5
22. 3/6 + 3/6 = (3 + 3)/6 =
6/6 =
1
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Final Answer:
1/3, 3/7, 3/10, 4/5, 3/5, 3/4, 1/6, 1/3, 3/5, 1/2, 1, 11/12, 1/2, 8/9, 3/5, 6/7, 5/8, 2/5, 7/12, 4/5, 4/5, 1
Parent Tip: Review the logic above to help your child master the concept of addition of similar fractions worksheet for grade 1.
