When the numerator and denominator is same the answer will be always 1
For example:
, Here the numerator(3) and denominator(3) is same and equals to 1.
Radical example:
, Here the numerator(√4) and denominator(√4) is same and equals to 1.
Algebra example:
,Here the numerator(pq²) and denominator(q²p) is same and equals to 1.