Question

What should be added 7/415 to get 8/25​

Answer 1

1. the number x should be added to 7/415 to get 8/25
2. 7/415-8/25=x
3. -3/10=x

Answer 2

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Let the no. be x

7/145+x=8/25

x=8/25-7/145

x=-3/10