Find the LCM of 1/7, 2/5 and 3/15.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 6.
LCM of fractions = LCM of numerators ÷ HCF of denominators.
Numerators: 1, 2, 3 → LCM = 6
Denominators: 7, 5, 15 → HCF = 1
Hence LCM = 6/1 = 6