Question

what should be added to 2/5 to get -1 ?​

Answer 1

Required number = (-1) - 2/5

LCM of 5=5

= (-1) - 2/5

= (-5/5) - 2/5

= - 7/5

Hence, the required answer is - 7/5.

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Answer 2

Answer:

Our number to be added is $-\frac{7}{5}$

Step-by-step explanation:

As per the data given in the question,

We have,

Lets assume our number to be added be $x$

As it is said that we need to add $x$ to 2/5 and make it -1

So,

$x+\frac{2}{5} = -1\\x= -1 - \frac{2}{5}\\ x=\frac{-5-2}{5} \\x=\frac{-7}{5}$

Hence, Our number to be added is $-\frac{7}{5}$

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