How do you solve #-\frac { 2} { 5} - ( - \frac { 3} { 4} )#? Prealgebra Fractions Fractions with Different Denominators 1 Answer Barney V. Feb 8, 2017 #7/20# Explanation: #-2/5-(-3/4)# #:.=-2/5+3/4# #:.=((4 xx -2)+(5 xx 3))/20# #:.=(-8+15)/20# #:.=7/20# Answer link Related questions What is #3/8 -: 2/5#? What is #4##3/10##- ##3# #3/5#? What is #1/2 -: 3/4#? What is #1 1/4 xx 2 4/5#? What is the sum of #3 1/6 + (-5.5)#, expressed as a mixed number in simplest form? Josie had 1 gallon of ice cream. She used #3/10# gallon to make a chocolate milkshake and #3/10#... What is #4/5 -: 6 2/3#? How do you simplify #35/6 + 7/12 - 1 1/3#? How do you add #1/2 + 4/6#? How do you add #3 1/3 + 4 + 2/5#? See all questions in Fractions with Different Denominators Impact of this question 1367 views around the world You can reuse this answer Creative Commons License