Answers − Adding Fractions
When the denominator is the same
1. 2/5 + 2/5 = 4/5
2. 1/6 + 2/6 = 3/6 = 1/2
3. 4/7 + 2/7 = 6/7
4. 3/8 + 3/8 = 6/8 = 3/4
5. 4/9 + 4/9 = 8/9
6. 4/5 + 2/5 = 6/5 = 1 1/5
7. 4/6 + 2/6 = 6/6 = 1
8. 8/7 + 9/7 = 17/7 = 2 3/7
9. 14/8 + 12/8 = 26/8 = 13/4 = 3 1/4
10. 1 2/5 + 2/5 =
(a) | Convert the mixed numbers to top heavy fractions |
1 2/5 + 2/5 = 7/5 + 2/5 | |
(b) | Add the top heavy fractions |
7/5 + 2/5 = 9/5 = 1 4/5 |
11. 2 1/6 + 1 2/6 =
(a) | Convert the mixed numbers to top heavy fractions |
2 1/6 + 1 2/6 = 13/6 + 8/6 | |
(b) | Add the top heavy fractions and then simplify |
13/6 + 8/6 = 21/6 = 3 3/6 = 3 1/2 |
12. 1 4/7 + 1 2/7 =
(a) | Convert the mixed numbers to top heavy fractions |
1 4/7 + 1 2/7 = 11/7 + 9/7 | |
(b) | Add the top heavy fractions |
11/7 + 9/7 = 20/7 = 2 6/7 |
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