Question

what fraction of 4/7 must be added to itself to make the sum 1 integer 1/4
1
1----
4

Answer 1

a fraction of 3/7 should be added.

4/7+3/7=7/7=1

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Answer 2

let that fraction is x

so,

4/7+X= 1 integer 1/4

X= 5/4-4/7

= 35-16/28

= 19/28

x = 19/28