Math CentralQuandaries & Queries


Question from Lexi:

Which of the following fractions is equivalent to -84 / -90?
A. -14 / 15
B. -42 / 45
C. 14 / 15
D. 42 / 45

Hi Lexi,

The fraction $\large \frac{-84}{-90}$ is positive so options A and B can't be correct. I suggest that you express options C and D in their lowest terms.


About Math Central


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences.
Quandaries & Queries page Home page University of Regina PIMS