Find rational number 1/2(-3/7+-31/140) – InterviewSolution

1.

Find rational number 1/2(-3/7+-31/140)

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HOPE my answer help you

1/2 ( -3/7+-31/140)

=(1/2×-3/7) + (1/2 ×-31/140)

=-3/14+-31/280

=L.C.M of 14 and 280 is 280.

= -60 + -31 / 280

= -91/ 280

So the RATIONAL NUMBER is -91/280

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