Answers

Add 72/81 and 14/36

72/81 + 14/36 is 23/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 36 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 81 × 4 = 324,
   72/81 = 72 × 4/81 × 4 = 288/324
3. Likewise, for the 2nd fraction, since 36 × 9 = 324,
   14/36 = 14 × 9/36 × 9 = 126/324
4. Add the two like fractions:
   288/324 + 126/324 = 288 + 126/324 = 414/324
5. 414/324 simplified gives 23/18
6. So, 72/81 + 14/36 = 23/18
   In mixed form: 15/18

MathStep (Works offline)

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

Related: ⁷²/₈₁+²⁸/₃₆ ⁷²/₈₁+¹⁴/₇₂ ⁷²/₈₁+⁴²/₃₆ ⁷²/₈₁+⁷⁰/₃₆ ⁷²/₈₁+⁹⁸/₃₆

Add Fractions Calculator