Add 21/3 and 49/28
1st number: 7 0/3, 2nd number: 1 21/28
21/3 + 49/28 is 35/4.
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,
21/3 = 21 × 28/3 × 28 = 588/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
49/28 = 49 × 3/28 × 3 = 147/84 - Add the two like fractions:
588/84 + 147/84 = 588 + 147/84 = 735/84 - 735/84 simplified gives 35/4
- So, 21/3 + 49/28 = 35/4
In mixed form: 83/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/3+49/28 21/3+98/28 21/6+49/28 21/3+49/56 63/3+49/28 21/9+49/28 21/3+49/84 21/15+49/28