Express $-\frac{7}{8}$ As a rational number with denominator 40

Given: the fraction is $-\frac{7}{8}$

To do: To express it a rational number with denominator 40

Solution:

At first we have to see by which number 8 should be multiply so that the product will be 40.

So, 8 should be multiplied by 5 to get 40

.8×5=40

Now, we have to express $-\frac{7}{8}$ into rational number.

So multiple $-\frac{7}{8}$=$-\frac{35}{8\times5}$=40.

The answer will be 5.  

Tutorialspoint

e

Updated on: 10-Oct-2022

96 Views

Kickstart Your Career

Get certified by completing the course

Get Started