How do you add 4 1/2 + 5 7/8? Algebra Properties of Real Numbers Addition of Rational Numbers 1 Answer Callum S. Oct 20, 2015 #10 3/8# Explanation: #= 9/2 + 47/8# #= ((9 × 8) + (47 × 2)) / (2 × 8)# #= (72 + 94) / 16# #= 166/16# #= 83/8# #= 10 3/8# 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 1982 views around the world You can reuse this answer Creative Commons License