Answers

Add 21/56 and 35/27

1^st number: 21/56, 2^nd number: 1 8/27

21/56 + 35/27 is 361/216.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 27 is 1512
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1512
2. For the 1st fraction, since 56 × 27 = 1512,
   21/56 = 21 × 27/56 × 27 = 567/1512
3. Likewise, for the 2nd fraction, since 27 × 56 = 1512,
   35/27 = 35 × 56/27 × 56 = 1960/1512
4. Add the two like fractions:
   567/1512 + 1960/1512 = 567 + 1960/1512 = 2527/1512
5. 2527/1512 simplified gives 361/216
6. So, 21/56 + 35/27 = 361/216
   In mixed form: 1145/216

MathStep (Works offline)

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

Related: ⁴²/₅₆+³⁵/₂₇ ²¹/₅₆+⁷⁰/₂₇ ²¹/₅₆+³⁵/₅₄ ⁶³/₅₆+³⁵/₂₇ ²¹/₅₆+³⁵/₈₁

Add Fractions Calculator