Answers

Add 84/40 and 20/27

1^st number: 2 4/40, 2^nd number: 20/27

84/40 + 20/27 is 767/270.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 27 is 1080
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1080
2. For the 1st fraction, since 40 × 27 = 1080,
   84/40 = 84 × 27/40 × 27 = 2268/1080
3. Likewise, for the 2nd fraction, since 27 × 40 = 1080,
   20/27 = 20 × 40/27 × 40 = 800/1080
4. Add the two like fractions:
   2268/1080 + 800/1080 = 2268 + 800/1080 = 3068/1080
5. 3068/1080 simplified gives 767/270
6. So, 84/40 + 20/27 = 767/270
   In mixed form: 2227/270

MathStep (Works offline)

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

Related: ⁸⁴/₄₀+⁴⁰/₂₇ ⁸⁴/₈₀+²⁰/₂₇ ⁸⁴/₄₀+²⁰/₅₄ ⁸⁴/₄₀+⁶⁰/₂₇ ⁸⁴/₄₀+²⁰/₈₁

Add Fractions Calculator