Add 14/28 and 21/24
14/28 + 21/24 is 11/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 28 × 6 = 168,
14/28 = 14 × 6/28 × 6 = 84/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
21/24 = 21 × 7/24 × 7 = 147/168 - Add the two like fractions:
84/168 + 147/168 = 84 + 147/168 = 231/168 - 231/168 simplified gives 11/8
- So, 14/28 + 21/24 = 11/8
In mixed form: 13/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/28+42/24 14/56+21/24 14/28+21/48 42/28+21/24 14/28+63/24 14/84+21/24 14/28+21/72 70/28+21/24 98/28+21/24