Add 21/12 and 9/49
1st number: 1 9/12, 2nd number: 9/49
21/12 + 9/49 is 379/196.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 12 × 49 = 588,
21/12 = 21 × 49/12 × 49 = 1029/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
9/49 = 9 × 12/49 × 12 = 108/588 - Add the two like fractions:
1029/588 + 108/588 = 1029 + 108/588 = 1137/588 - 1137/588 simplified gives 379/196
- So, 21/12 + 9/49 = 379/196
In mixed form: 1183/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/12+9/49 21/12+18/49 21/24+9/49 21/12+9/98 63/12+9/49 21/12+27/49 21/36+9/49 21/12+45/49 21/60+9/49 21/12+63/49 21/84+9/49