Question

The lcm of 4/45, 6/15 and 12/21 is

Answer 1

Answer:

1. The LCM of 4/45 is, 180
2. The LCM of 12/21 is 252
3. The LCM of 6/15 is 90

Step-by-step explanation:

1. Write the prime factors of 4 and 45 which is 2×2 and 3×3×5. Now , by merging them find the product which is 2×2×3×3×5=180 which is there LCM .
2. Same way , prime factors of 12 and 21 is 2×2×3 and 3×7, multiplying we get 252 , so this is the Ans ..

Like this way , we will also find the LCM of 6/15 =90..

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