Question

What should be subtracted from 1/5 to get -1/20?​

Answer 1

Answer:

let the num ber subtracted be x

1/5-x=-1/20

x=1/5+1/20

x=4+1/20

x=5/20

x=1/4

the number is 1/4

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Answer 2

$\frac{1}{5} - x = \frac{ - 1}{20}$

$- x = \frac{ - 1}{20} - \frac{1}{5}$

$- x = \frac{ - 1 - 4}{20}$

$- x = - \frac{ 5}{20}$

$x = \frac{1}{4}$

$\frac{1}{4} \: should \: be \: subtracted \: from \: \frac{1}{5} \: to \: get \: \frac{ - 1}{20}$