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What should be added to twice the ration...

What should be added to twice the rational number `(-7)/3 ` to get `3/7`

A

`5`

B

`107/21`

C

`3/7`

D

`101/21`

Text Solution

Verified by Experts

The correct Answer is:
B
Twice of `-7/3 = 2 xx (-7/3)` `= -14/3`

Let the number added to it be `x`,
Hence,
`(-14/3) + x = 3/7`
`x = 3/7 + 14/3`
`x = (3(3) + 14 (7))/ (7 xx 3)`
...
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