Hey could you help me?
What is the sum?
7/4 + ( - 1/5 )
A:31/20
B:39/20
C:6/9
D:-7/20
Is it C?
3 answers
How did you get A??
7/4 = 35/20
-1/5 = -4/20
(35/20) + (-4/20) = 31/20 = 1 11/20
-1/5 = -4/20
(35/20) + (-4/20) = 31/20 = 1 11/20
31/20