Answers

Add 54/27 and 21/40

1^st number: 2 0/27, 2^nd number: 21/40

54/27 + 21/40 is 101/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 40 is 1080
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1080
2. For the 1st fraction, since 27 × 40 = 1080,
   54/27 = 54 × 40/27 × 40 = 2160/1080
3. Likewise, for the 2nd fraction, since 40 × 27 = 1080,
   21/40 = 21 × 27/40 × 27 = 567/1080
4. Add the two like fractions:
   2160/1080 + 567/1080 = 2160 + 567/1080 = 2727/1080
5. 2727/1080 simplified gives 101/40
6. So, 54/27 + 21/40 = 101/40
   In mixed form: 221/40

MathStep (Works offline)

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

Related: ⁵⁴/₂₇+⁴²/₄₀ ⁵⁴/₂₇+²¹/₈₀ ⁵⁴/₂₇+⁶³/₄₀ ⁵⁴/₈₁+²¹/₄₀

Add Fractions Calculator