How do you find the sum of 2.5+2.57+3.12.5+2.57+3.1? Algebra Properties of Real Numbers Addition of Rational Numbers 1 Answer Jumbotron Jun 1, 2018 7.977.97 Explanation: 2.3 + 2.57 + 3.12.3+2.57+3.1 Simplifying; (2.0 + 0.3) + (2.0 + 0.57) + (3.0 + 0.1)(2.0+0.3)+(2.0+0.57)+(3.0+0.1) Collecting like terms; (2.0 + 2.0 + 3.0)+ (0.3 + 0.1 + 0.57)(2.0+2.0+3.0)+(0.3+0.1+0.57) 7.0 + 0.977.0+0.97 7.977.97 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 2/31123 into an improper fraction? How do you add 4 1/7 + 2/7417+27? How do you add 3/5+2/835+28? How do you change fractions into decimals? How do you calculate 18/12 - 7/91812−79? How do you write 5 into an improper fraction? How do you determine which of the fractions 17/201720 or 21/252125 is greater and by how much? See all questions in Addition of Rational Numbers Impact of this question 5243 views around the world You can reuse this answer Creative Commons License