Add 7/27 and 15/18
7/27 + 15/18 is 59/54.
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,
7/27 = 7 × 2/27 × 2 = 14/54 - Likewise, for the 2nd fraction, since 18 × 3 = 54,
15/18 = 15 × 3/18 × 3 = 45/54 - Add the two like fractions:
14/54 + 45/54 = 14 + 45/54 = 59/54 - So, 7/27 + 15/18 = 59/54
In mixed form: 15/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/27+15/18 7/27+30/18 7/54+15/18 7/27+15/36 21/27+15/18 7/27+45/18 7/81+15/18 7/27+15/54 35/27+15/18 7/27+75/18 7/27+15/90 49/27+15/18