Answer:
The GCF of 42 and 60 is 6
Step-by-step explanation:
42: 1,2,3,6,7,14,21,42
60: 1,2,3,4,5,6,10,12,15,20,30,60
6
Factors of 42 = 1, 2, 3, 6, 7, 14, 21 and 42
Factors of 60 = 1 , 2 , 3 , 4 , 5 , 6 , 10 , 12 , 15 , 20 , 30 and 60
The highest factor which comes in both 42 and 60 is 6
A
(I hope it is right)
15 / 20 = 0.75. The answer is 0.75
12=2×2×3
24=2×2×3
36=2×2×3×3
L.C.M.=2×2×3×3=36
lowest prime number=2
sum=36+2=38
