( - 1/4 + 7/8 ) : ( - 1, 1/4)

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вопрос

To divide fractions, we multiply by the reciprocal of the second fraction.

( -1/4 + 7/8 ) ÷ ( -1, 1/4) = ( - 1/4 + 7/8 ) * ( -4/9 )

First, find a common denominator for -1/4 and 7/8.

LCD is 8, so:
-1/4 = -2/8
7/8 = 7/8

Now, multiply the fractions:

(-2/8 + 7/8) (-4/9) = (5/8) (-4/9) = -20/72 = -5/18

So, ( -1/4 + 7/8 ) ÷ ( -1, 1/4) = -5/18.