Add 7/36 and 48/21
1st number: 7/36, 2nd number: 2 6/21
7/36 + 48/21 is 625/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 21 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
7/36 = 7 × 7/36 × 7 = 49/252 - Likewise, for the 2nd fraction, since 21 × 12 = 252,
48/21 = 48 × 12/21 × 12 = 576/252 - Add the two like fractions:
49/252 + 576/252 = 49 + 576/252 = 625/252 - So, 7/36 + 48/21 = 625/252
In mixed form: 2121/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/36+48/21 7/36+96/21 7/72+48/21 7/36+48/42 21/36+48/21 7/36+48/63 35/36+48/21 49/36+48/21