Question 58749
-1/2-1/4=-3/4 CHANGE -1/2 TO -2/4 CREATING A COMMON DENOMINATOR SO YOU CAN ADD/SUBTRACT THESE FRACTIONS.
-2/4-1/4=-3/4
-3/4=-3/4

-1/5+(-4/5)=-1 (+*-=-)
-1/5-4/5=-5/5=-1