A fraction changes from 3/4 to 4/10. The numerator changed by _%; the denominator changed by _%; the value of the fr

Question

garri49 [273]

3 years ago

15

A fraction changes from 3/4 to 4/10. The numerator changed by _%; the denominator changed by _%; the value of the fr

action changed by approximately _____%.

Mathematics

1 answer:

Korvikt [17] · Answer 1 · 2022-03-12T23:07:47+03:00

The change from 3/4 to 4/10 is found by obtaining and applying the LCD:

15/20 to 8/20 is a negative change, and the amount of the change was -7/20.

We compare this result to the original value, 15/20, to obtain the percentage change in the fraction:

-7/20
----------- = -7/15 = -0.467 => -46.7%
15/20