Question

Divide the sum -1/4and -3/5 by their differences

Answer 1

Answer: (-1/4*5/5 + -3/5*4/4) / (-1/4*5/5 - (-3/5*4/4))

= (-5/20 + -12/20) / (-5/20 - (-12/20))

= (-17/20)/ (7/20)

= (-17/20)*(20/7)

= -17/7