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 2171 views around the world You can reuse this answer Creative Commons License