Answers

Add 70/81 and 4/54

70/81 + 4/54 is 76/81.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 54 is 162
   
   Next, find the equivalent fraction of both fractional numbers with denominator 162
2. For the 1st fraction, since 81 × 2 = 162,
   70/81 = 70 × 2/81 × 2 = 140/162
3. Likewise, for the 2nd fraction, since 54 × 3 = 162,
   4/54 = 4 × 3/54 × 3 = 12/162
4. Add the two like fractions:
   140/162 + 12/162 = 140 + 12/162 = 152/162
5. 152/162 simplified gives 76/81
6. So, 70/81 + 4/54 = 76/81

MathStep (Works offline)

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

Related: ⁷⁰/₈₁+⁸/₅₄ ⁷⁰/₈₁+¹²/₅₄ ⁷⁰/₈₁+²⁰/₅₄ ⁷⁰/₈₁+²⁸/₅₄

Add Fractions Calculator