# Which of the following rational numbers is in standard form ?a) -18/26 b)-56/91 c)-27/64d) 28/-105Pls provide solution URGENTLY.

a) -18/26 = -9/13 (standard form)

b) -56/91 = -8/13 (standard form)

c) -27/64 (standard form)

d) 28/-105 = -4/15 (standard form)

The correct answer is C.

• -1

I can't give answer but give you hint.

A rational number is said to be in the standard form if its denominator is a positive integer and the numerator and the denominator have no common factor other than 1 .

If a rational number is not in the standard form , then it can be reduced to the standard form .