Answer:
36 5/12
The GCF of 3 and 4 is 12 that is where we got the denominator
15 2/3 + 20 3/5= 35 17/12= 36 5/12<<--final answer
Step-by-step explanation:
3×4=12
12÷3=4×2=8
12÷4=3×3=9
15 2/13 + 20 3/12=15 8/12+ 20 9/13=35 17/13=
divide 12 and 17=35+1=36
correct answer->36 5/12
