Question

what should be added to 3/7 to get 9/2​

Answer 1

let the number added be x

3/7+x=9/2

x=9/2-3/7

x=63-6/14

x=57/14

so 57/14 must be added to 3/7 to get 9/2

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Answer 2

Let 'x' should be added to 3/7 to get 9/2.

$\frac{3}{7} + x = \frac{9}{2}$

$x = \frac{9}{2} - \frac{3}{7} = \frac{(7 \times 9) - (2 \times 3)}{14}$

$= \frac{63 - 6}{14} = \frac{57}{14}$

therefore, 57/14 should be added to 3/7 to get 9/2.