Answers

Add 80/18 and 84/27

1^st number: 4 8/18, 2^nd number: 3 3/27

80/18 + 84/27 is 68/9.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 27 is 54
   
   Next, find the equivalent fraction of both fractional numbers with denominator 54
2. For the 1st fraction, since 18 × 3 = 54,
   80/18 = 80 × 3/18 × 3 = 240/54
3. Likewise, for the 2nd fraction, since 27 × 2 = 54,
   84/27 = 84 × 2/27 × 2 = 168/54
4. Add the two like fractions:
   240/54 + 168/54 = 240 + 168/54 = 408/54
5. 408/54 simplified gives 68/9
6. So, 80/18 + 84/27 = 68/9
   In mixed form: 75/9

MathStep (Works offline)

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

Related: ⁸⁰/₃₆+⁸⁴/₂₇ ⁸⁰/₁₈+⁸⁴/₅₄ ⁸⁰/₅₄+⁸⁴/₂₇ ⁸⁰/₁₈+⁸⁴/₈₁ ⁸⁰/₉₀+⁸⁴/₂₇

Add Fractions Calculator