Add 2/3 and 21/56
2/3 + 21/56 is 25/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 3 × 56 = 168,
2/3 = 2 × 56/3 × 56 = 112/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
21/56 = 21 × 3/56 × 3 = 63/168 - Add the two like fractions:
112/168 + 63/168 = 112 + 63/168 = 175/168 - 175/168 simplified gives 25/24
- So, 2/3 + 21/56 = 25/24
In mixed form: 11/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/3+21/56 2/3+42/56 2/6+21/56 6/3+21/56 2/3+63/56 2/9+21/56 10/3+21/56 2/15+21/56 14/3+21/56 2/21+21/56