What is the common denominator of 3/5 and 2/3? Prealgebra Fractions Fractions with Different Denominators 1 Answer Daniel Boyd Apr 19, 2016 30 Explanation: 5xx6=30 3xx10=30 Answer link Related questions What is 3/8 -: 2/5? What is 43/10- 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 10552 views around the world You can reuse this answer Creative Commons License