How do you add 23+45? Prealgebra Fractions Fractions with Different Denominators 1 Answer Josef Niño Jayme Apr 4, 2016 1715 Explanation: 23+45 = 1015+1215 = 2215 = 1715 Answer link Related questions What is 38÷25? What is 4310−3 35? What is 12÷34? What is 114×245? What is the sum of 316+(−5.5), expressed as a mixed number in simplest form? Josie had 1 gallon of ice cream. She used 310 gallon to make a chocolate milkshake and 310... What is 45÷623? How do you simplify 356+712−113? How do you add 12+46? How do you add 313+4+25? See all questions in Fractions with Different Denominators Impact of this question 28600 views around the world You can reuse this answer Creative Commons License