Question

Write a common denominator for 1/4 and 5/6

Answer 1

$common\ denominator:\\simplify:4\times6=24\\\\least\ common\ denominator:\\4=\fbox2\times2\\6=\fbox2\times3\\\\LCD=\fbox2\cdot2\cdot3=\boxed{\boxed{12}}$

Answer 2

We know that 4=2²
                     6= 3*2

So, the common denominator is 2²*3 = 12