Add 5/27 and 21/18
1st number: 5/27, 2nd number: 1 3/18
5/27 + 21/18 is 73/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 18 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 27 × 2 = 54,
5/27 = 5 × 2/27 × 2 = 10/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
21/18 = 21 × 3/18 × 3 = 63/54 - Add the two like fractions:
10/54 + 63/54 = 10 + 63/54 = 73/54 - So, 5/27 + 21/18 = 73/54
In mixed form: 119/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/27+21/18 5/27+42/18 5/54+21/18 5/27+21/36 15/27+21/18 5/27+63/18 5/81+21/18 5/27+21/54 25/27+21/18 5/27+21/90 35/27+21/18