Add 4/36 and 21/14
1st number: 4/36, 2nd number: 1 7/14
4/36 + 21/14 is 29/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 14 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
4/36 = 4 × 7/36 × 7 = 28/252 - Likewise, for the 2nd fraction, since 14 × 18 = 252,
21/14 = 21 × 18/14 × 18 = 378/252 - Add the two like fractions:
28/252 + 378/252 = 28 + 378/252 = 406/252 - 406/252 simplified gives 29/18
- So, 4/36 + 21/14 = 29/18
In mixed form: 111/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/36+21/14 4/36+42/14 4/72+21/14 4/36+21/28 12/36+21/14 4/36+63/14 4/36+21/42 20/36+21/14 4/36+21/70 28/36+21/14 4/36+21/98