Question

Add and answer in simplest fractional form. -1/5 + -3/4 =
A. -4/9
B. -19/20
C. -4/20

Answer 1

a

Answer 2

b

Answer 3

im not sure

Answer 4

\[(-1/5)-(3/4) = -\]
Its B

Answer 5

use your calculator

Answer 6

k

Answer 7

you are right

Answer 8

You've got to find the lowest common denominator, which is 20 here. Then multiply both fractions by a number that will give you something over 20. Also, both fractions are negative.

(4/4)(-1/5) + (5/5)(-3/4)
= -(4/20) - (15/20)
= -19/20
= Answer B