Add 49/28 and 14/21
1st number: 1 21/28, 2nd number: 14/21
49/28 + 14/21 is 29/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
49/28 = 49 × 3/28 × 3 = 147/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
14/21 = 14 × 4/21 × 4 = 56/84 - Add the two like fractions:
147/84 + 56/84 = 147 + 56/84 = 203/84 - 203/84 simplified gives 29/12
- So, 49/28 + 14/21 = 29/12
In mixed form: 25/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/28+14/21 49/28+28/21 49/56+14/21 49/28+14/42 49/28+42/21 49/84+14/21 49/28+14/63 49/28+70/21 49/28+98/21