Explain

Question

56%90=56

Answer 1

%(modulo) operator returns remainder:
56 = 0*90 + 56, so 56 is left as remainder after dividing 56 with 90

Answer 2

% this operator is used to get remainder. So when we compute the expression it will 0 as quotient as the denominator is greater than numerator and hence 56 is left which is returned as remainder.
Hope it helped :D