Question

What is the common denominator for 14/25 and 10/21

Answer 1

To start off, let us find the least common multiple of 25 and 21.

25=5 to the power of 2(which means 5*5)

21= 3*7

So, the lcm is 5*5*3*7(25*21).

Which results in the answer being 525.