1) 1/7 + 1/4 =
2) 2/9 + 6/9 =
3) 2/5 + 3/8 =
4) 1/2 + 2/5 =
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1) 1/7 + 1/4 =
2) 2/9 + 6/9 =
3) 2/5 + 3/8 =
4) 1/2 + 2/5 =
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Answer:
1 . 11/28
2. 8/9
3. 31/40
4. 9/10