Question

9. The ratio of two numbers is 4 : 5 and their
H.C.F is 4. Find their L.C.M.
b. 80
d. 48
Ans. 80
Explanation:
a. 96
c. 73​

Answer 1

Answer:

80 is the answer

Step-by-step explanation:

ratio of 2 no is 4:5 ... let the both no be x =4x and 5x

hcf of 2 number is 4

x=4

4x=4*4=16

5x=5*4=20

= 4*LCM=16*20=320

LCM=320/4

LCM=80