Question

Simplify Completely: 1260/4410 How is this process accomplished? I spend 1 hour trying each number trying to factor the numerator and denominator squared or cubed and get too frustrated, resulting in no answer at all

Thanks for your help!

Answer 1

1260/4410. Since both numbers end with

0, they are divisible by 10: 126/441,
The sum of the digits in the numerator
and the denominator are each = to 9.Therefore, we can divide
each by 9 and get: 14/49.
14/49 = 2/7.

Summary: 1260/4410 = 126/441 = 14/49 = 2/7.