1.

Find rational number 1/2(-1/70+2/5) please full process​

Answer»

27/140

Step-by-step explanation:

Here we need to FOLLOW DMAS RULE, which says that when we have multiple operations. We do division first, then multiplication, then ADDITION and subtraction in the LAST.

So,

1/2 (-1/70+2/5)

First, we will multiply because we need to provide rational number. So, we can not divide term further

1/2 X -1/70 + 1/2 x 2/5

-1/140 + 1/5

(-1+28)/140

27/140


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