Add 14/15 and 21/36
14/15 + 21/36 is 91/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
14/15 = 14 × 12/15 × 12 = 168/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
21/36 = 21 × 5/36 × 5 = 105/180 - Add the two like fractions:
168/180 + 105/180 = 168 + 105/180 = 273/180 - 273/180 simplified gives 91/60
- So, 14/15 + 21/36 = 91/60
In mixed form: 131/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/15+21/36 14/15+42/36 14/30+21/36 14/15+21/72 42/15+21/36 14/15+63/36 14/45+21/36 70/15+21/36 14/75+21/36 98/15+21/36