what is
lcm of 15,18,21
Answers
Answered by
0
Step-by-step explanation:
15= 3×5
18=3×3×2
21= 3×7
LCM = 5× 2× 7×3
= 210
Answered by
4
Answer:
15 = 3 × 5
18 = 2 × 3 × 3 = 2 × 3^2
21 = 3 × 7
LCM = 3^2 × 5 × 7 × 2
= 3 × 3 × 5 × 7 × 2
= 9 × 5 × 7 × 2
= 45 × 7 × 2
= 315 × 2
= 630
Ans. 630
Hope it helps.
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