Add 21/14 and 2/36
1st number: 1 7/14, 2nd number: 2/36
21/14 + 2/36 is 14/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 14 × 18 = 252,
21/14 = 21 × 18/14 × 18 = 378/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
2/36 = 2 × 7/36 × 7 = 14/252 - Add the two like fractions:
378/252 + 14/252 = 378 + 14/252 = 392/252 - 392/252 simplified gives 14/9
- So, 21/14 + 2/36 = 14/9
In mixed form: 15/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/14+2/36 21/14+4/36 21/28+2/36 21/14+2/72 63/14+2/36 21/14+6/36 21/42+2/36 21/14+10/36 21/70+2/36 21/14+14/36 21/98+2/36