Question

Steps to solve1/2 / 2/-5 + (-1/4)​

Answer 1

Answer:

-3/2

Step-by-step explanation:

this is a answer first u dived then plus

Answer 2

Answer:

  -3/2

Step-by-step explanation:

(1/2)/(2/-5) +(-1/4) = (1/2)·(-5/2) -(1/4) . . . . invert the denominator and multiply

  = -5/4 -1/4 = -6/4 . . . . . . . . . . . . . . . . . .add the two terms

  = -3/2 . . . . . reduce the fraction

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Comment on fraction division

There are two ways to divide fractions. In the end, they amount to the same thing.

One: multiply by the inverse of the denominator:

  (a/b) / (c/d) = (a/b)·(d/c) = (ad)/(bc)

Two: adjust the denominators to be the same, then use the ratio of numerators:

  (a/b) / (c/b) = a/c

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Here, we could rewrite the fractions as ...

  (5/10) / (-4/10) = -5/4 . . . . using method two