Add 1/27 and 21/36
1/27 + 21/36 is 67/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 36 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
1/27 = 1 × 4/27 × 4 = 4/108 - Likewise, for the 2nd fraction, since 36 × 3 = 108,
21/36 = 21 × 3/36 × 3 = 63/108 - Add the two like fractions:
4/108 + 63/108 = 4 + 63/108 = 67/108 - So, 1/27 + 21/36 = 67/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/27+21/36 1/27+42/36 1/54+21/36 1/27+21/72 3/27+21/36 1/27+63/36 1/81+21/36 5/27+21/36 7/27+21/36