Question

What should be added to -7/20 to get -2/5

Answer 1

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Answer 2

Answer:

$\text{The number }\frac{-1}{20}\text{ is added to the number }\frac{-7}{20}\text{ to get the number }\frac{-2}{5}$  

Step-by-step explanation:

$\text{Given the number }\frac{-7}{20}$

$\text{we have to find the number which is added to above number to get the number }\frac{-2}{5}$

Let the number be x

$\frac{-2}{5}=\frac{-7}{20}+x$

$\text{Adding }\frac{7}{20}\text{ to both sides }$

$\frac{-2}{5}+\frac{7}{20}=x$

$x=\frac{-1}{20}$

which is the required number.

$\text{Hence, the number }\frac{-1}{20}\text{ is added to the number }\frac{-7}{20}\text{ to get the number }\frac{-2}{5}$