add the fraction
1. 2/7 + 4/7
2. 2/7 + 1/2
subtract the fraction
1. 9/13 - 4/13
2. 6/4 - 2/7
Answers
Answered by
2
Answer:
1. 2/7+4/7=4+2/7=6/7
2. 2/7+1/2= 4+7/14=11/14
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