Answers

Add 84/9 and 30/81

1^st number: 9 3/9, 2^nd number: 30/81

84/9 + 30/81 is 262/27.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 81 is 81
   
   Next, find the equivalent fraction of both fractional numbers with denominator 81
2. For the 1st fraction, since 9 × 9 = 81,
   84/9 = 84 × 9/9 × 9 = 756/81
3. Likewise, for the 2nd fraction, since 81 × 1 = 81,
   30/81 = 30 × 1/81 × 1 = 30/81
4. Add the two like fractions:
   756/81 + 30/81 = 756 + 30/81 = 786/81
5. 786/81 simplified gives 262/27
6. So, 84/9 + 30/81 = 262/27
   In mixed form: 919/27

MathStep (Works offline)

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

Related: ⁸⁴/₉+⁶⁰/₈₁ ⁸⁴/₁₈+³⁰/₈₁ ⁸⁴/₉+⁹⁰/₈₁ ⁸⁴/₂₇+³⁰/₈₁ ⁸⁴/₄₅+³⁰/₈₁ ⁸⁴/₆₃+³⁰/₈₁

Add Fractions Calculator