Josie had 1 gallon of ice cream. She used #3/10# gallon to make a chocolate milkshake and #3/10# gallon to make a vanilla milkshake. How much ice cream is left? Prealgebra Fractions Fractions with Different Denominators 1 Answer JasonK · Stefan V. Mar 5, 2018 #2/5# gallon. Explanation: #3/10# gallon - chocolate shake #3/10# gallon - vanilla shake So #3/10 + 3/10 = 6/10# Now #"1 gallon" \ - 6/10 \ "gallon"# #= 10/10 \ "gallon" - 6/10 \ "gallon" = 4/10 \ "gallon"# Simplified: #2/5# gallon 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? 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#? How do you add #1/3 + 5/12 + 4/5#? See all questions in Fractions with Different Denominators Impact of this question 4915 views around the world You can reuse this answer Creative Commons License