Add 25/21 and 7/36
1st number: 1 4/21, 2nd number: 7/36
25/21 + 7/36 is 349/252.
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,
25/21 = 25 × 12/21 × 12 = 300/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
7/36 = 7 × 7/36 × 7 = 49/252 - Add the two like fractions:
300/252 + 49/252 = 300 + 49/252 = 349/252 - So, 25/21 + 7/36 = 349/252
In mixed form: 197/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/21+7/36 25/21+14/36 25/42+7/36 25/21+7/72 75/21+7/36 25/21+21/36 25/63+7/36 25/21+35/36 25/21+49/36