351,627 views
13 votes
13 votes
-8/5+-4/7 is equal to

User Md Shahriar
by
3.4k points

2 Answers

19 votes
19 votes

Answer:

-36/35

Explanation:

First, we need to find the LCM of 5 and 7 (the denominators) which is 35.

-8*7/35 + 4*5/35 = -56/35 + 20/35 = -36/35

Your answer is -36/35, or if it asks for a mixed number it's -1 1/35.

Hope this helps

User Henrique Mauri
by
3.1k points
14 votes
14 votes

Answer:

-36/35 or -1 1/35

Explanation:

-8/5 + 4/7

Get a common denominator of 35

-8/5 * 7/7 + 4/7 *5/5

-56/35 + 20/35

-36/35

-35/35 - 1/35

-1 1/35

User Ravbaker
by
2.7k points