Answers

Add 81/40 and 49/27

1^st number: 2 1/40, 2^nd number: 1 22/27

81/40 + 49/27 is 4147/1080.

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,
   81/40 = 81 × 27/40 × 27 = 2187/1080
3. Likewise, for the 2nd fraction, since 27 × 40 = 1080,
   49/27 = 49 × 40/27 × 40 = 1960/1080
4. Add the two like fractions:
   2187/1080 + 1960/1080 = 2187 + 1960/1080 = 4147/1080
5. So, 81/40 + 49/27 = 4147/1080
   In mixed form: 3907/1080

MathStep (Works offline)

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

Related: ⁸¹/₄₀+⁹⁸/₂₇ ⁸¹/₈₀+⁴⁹/₂₇ ⁸¹/₄₀+⁴⁹/₅₄ ⁸¹/₄₀+⁴⁹/₈₁

Add Fractions Calculator