How do you evaluate 63 9/10+ 86 7/10? Algebra Properties of Real Numbers Addition of Rational Numbers 1 Answer Deepak G. Aug 9, 2016 =150 3/5 Explanation: 63 9/10+86 7/10 =639/10+867/10 =1506/10 =150 6/10 =150 3/5 Answer link Related questions How do you add rational numbers? How do you write fractions with a common denominator? How do you write mixed fractions into improper fractions? How do you write 11 2/3 into an improper fraction? How do you add 4 1/7 + 2/7? How do you add 3/5+2/8? How do you change fractions into decimals? How do you find the sum of 2.5+2.57+3.1? How do you calculate 18/12 - 7/9? How do you write 5 into an improper fraction? See all questions in Addition of Rational Numbers Impact of this question 1662 views around the world You can reuse this answer Creative Commons License