Add 1/14 and 21/18
1st number: 1/14, 2nd number: 1 3/18
1/14 + 21/18 is 26/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
1/14 = 1 × 9/14 × 9 = 9/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
21/18 = 21 × 7/18 × 7 = 147/126 - Add the two like fractions:
9/126 + 147/126 = 9 + 147/126 = 156/126 - 156/126 simplified gives 26/21
- So, 1/14 + 21/18 = 26/21
In mixed form: 15/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/14+21/18 1/14+42/18 1/28+21/18 1/14+21/36 3/14+21/18 1/14+63/18 1/42+21/18 1/14+21/54 5/14+21/18 1/70+21/18 1/14+21/90 7/14+21/18 1/98+21/18