Question

Find the LCM and HCF of 1.75, 5.6 and 7.

• A. 24, 0.25
• B. 24, 0.35
• C. 28, 0.35
• D. 28, 0.25

Answer 1

Answer:

C. 28, 0.35

1.75 = 7/4, 5.6 = 28/5, 7 = 7/1 LCM = (LCM of 7, 28, 7) / (HCF of 4, 5, 1) = 28 HCF = (HCF of 7, 28, 7) / (LCM of 4, 5, 1) = 7/20 = 0.35