Question

Use the common denominator to find -2/3 + -4/5​

Answer 1

-22/15

Explanation:

Okay, so, find a common multiple of 3 and 5. best way to find one is to multiply them. 3 x 5= 15. Now you have to make the numerators equivalent.

-2/3 = -10/15

-4/5 = -12/15

-10+-12=-22

Answer:-22/15