How do you evaluate #2 1/3 + 6 19/21#? Algebra Properties of Real Numbers Addition of Rational Numbers 1 Answer G_Ozdilek Aug 22, 2016 (7/3 )+ (145/21) Explanation: Let me expand the terms: # 7/3 + 145/21# # (7*7)/21 + 145/21# # (49+145)/21# # 194/21# # 9 5/21# 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 1487 views around the world You can reuse this answer Creative Commons License