Add 2/28 and 21/24
2/28 + 21/24 is 53/56.
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,
2/28 = 2 × 6/28 × 6 = 12/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
21/24 = 21 × 7/24 × 7 = 147/168 - Add the two like fractions:
12/168 + 147/168 = 12 + 147/168 = 159/168 - 159/168 simplified gives 53/56
- So, 2/28 + 21/24 = 53/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/28+21/24 2/28+42/24 2/56+21/24 2/28+21/48 6/28+21/24 2/28+63/24 2/84+21/24 2/28+21/72 10/28+21/24 14/28+21/24