(2 3/5) divide by (-3 3/4
First change each number to an improper fraction. Then use keep, change, flip. 13/5 divided by -15/413/5 * -4/15 = -52/75
-52/75 because you have to change into improper fraction 2 3/5= 13/5, -3 3/4= -15/4. 13/5 ÷ - 15/4 which changes when being multipled to -4/15. the equation now becomes13/5 × - 4/15 = -52/75