Add 25/3 and 21/28
1st number: 8 1/3, 2nd number: 21/28
25/3 + 21/28 is 109/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
25/3 = 25 × 28/3 × 28 = 700/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
21/28 = 21 × 3/28 × 3 = 63/84 - Add the two like fractions:
700/84 + 63/84 = 700 + 63/84 = 763/84 - 763/84 simplified gives 109/12
- So, 25/3 + 21/28 = 109/12
In mixed form: 91/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/3+21/28 25/3+42/28 25/6+21/28 25/3+21/56 75/3+21/28 25/3+63/28 25/9+21/28 25/3+21/84 25/15+21/28 25/21+21/28