Answers

Add 30/81 and 84/27

1^st number: 30/81, 2^nd number: 3 3/27

30/81 + 84/27 is 94/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 27 is 81
   
   Next, find the equivalent fraction of both fractional numbers with denominator 81
2. For the 1st fraction, since 81 × 1 = 81,
   30/81 = 30 × 1/81 × 1 = 30/81
3. Likewise, for the 2nd fraction, since 27 × 3 = 81,
   84/27 = 84 × 3/27 × 3 = 252/81
4. Add the two like fractions:
   30/81 + 252/81 = 30 + 252/81 = 282/81
5. 282/81 simplified gives 94/27
6. So, 30/81 + 84/27 = 94/27
   In mixed form: 313/27

MathStep (Works offline)

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

Related: ⁶⁰/₈₁+⁸⁴/₂₇ ³⁰/₈₁+⁸⁴/₅₄ ⁹⁰/₈₁+⁸⁴/₂₇ ³⁰/₈₁+⁸⁴/₈₁

Add Fractions Calculator