Add 49/21 and 15/36
1st number: 2 7/21, 2nd number: 15/36
49/21 + 15/36 is 11/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 21 × 12 = 252,
49/21 = 49 × 12/21 × 12 = 588/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
15/36 = 15 × 7/36 × 7 = 105/252 - Add the two like fractions:
588/252 + 105/252 = 588 + 105/252 = 693/252 - 693/252 simplified gives 11/4
- So, 49/21 + 15/36 = 11/4
In mixed form: 23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/21+15/36 49/21+30/36 49/42+15/36 49/21+15/72 49/21+45/36 49/63+15/36 49/21+75/36