Which of the following rational numbers** is in standard **form ?

a) -18/26 b)-56/91 c)-27/64d) 28/-105

Pls 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.

**
**