Answer:
C
Step-by-step explanation:
4/5 = 8/10
1/2 = 5/10
+______
13/10 = 1 3/10
asdssdasdwdsadw
dasdsdsads
d
sd
s
ds
adasd
sds
dw
a
fx
v
vwe
vr
bwrb
b
wrbwrB
65
78-13=65 or c