Answers

Add 35/45 and 56/81

35/45 + 56/81 is 119/81.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 81 is 405
   
   Next, find the equivalent fraction of both fractional numbers with denominator 405
2. For the 1st fraction, since 45 × 9 = 405,
   35/45 = 35 × 9/45 × 9 = 315/405
3. Likewise, for the 2nd fraction, since 81 × 5 = 405,
   56/81 = 56 × 5/81 × 5 = 280/405
4. Add the two like fractions:
   315/405 + 280/405 = 315 + 280/405 = 595/405
5. 595/405 simplified gives 119/81
6. So, 35/45 + 56/81 = 119/81
   In mixed form: 138/81

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁷⁰/₄₅+⁵⁶/₈₁ ³⁵/₉₀+⁵⁶/₈₁

Add Fractions Calculator