How do you evaluate #1/3+4/10#? Algebra Properties of Real Numbers Addition of Rational Numbers 1 Answer Rachel Mar 18, 2018 #11/15# Explanation: #1/3 + 4/10# Let's simplify what we can #1/3 + 2/5# Common denominator #5/5 xx 1/3 + 2/5 xx 3/3# #5/15 + 6/15# #11/15# 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 1739 views around the world You can reuse this answer Creative Commons License