Add 3/14 and 21/9
1st number: 3/14, 2nd number: 2 3/9
3/14 + 21/9 is 107/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 14 × 9 = 126,
3/14 = 3 × 9/14 × 9 = 27/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
21/9 = 21 × 14/9 × 14 = 294/126 - Add the two like fractions:
27/126 + 294/126 = 27 + 294/126 = 321/126 - 321/126 simplified gives 107/42
- So, 3/14 + 21/9 = 107/42
In mixed form: 223/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/14+21/9 3/14+42/9 3/28+21/9 3/14+21/18 9/14+21/9 3/14+63/9 3/42+21/9 3/14+21/27 15/14+21/9 3/70+21/9 3/14+21/45 21/14+21/9 3/98+21/9 3/14+21/63