Question

-1/6 + ( -3/7) =

A. -25/42
B. -4/13
C. 11/42
D. 2/13

Answer 1

C: 11/42

Explanation:

-1/6 + (-3/7)

This can also be written as -1/6 + 3/7

Find the LCD: 42

Divide 42 by the original denominators: 42 / 6 = 7. 42 / 7 = 6

Multiply the numerators by the quotient: -1 x 7 = -7. 3 x 6 = 18

New equation: -7/42 + 18/42

Focus on the numerators: -7 + 18 = 11

Put it all together: 11/42

Answer 2

Answer: the anwser is A

Explanation:

I used a calculator lol