Add 12/14 and 42/9
1st number: 12/14, 2nd number: 4 6/9
12/14 + 42/9 is 116/21.
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,
12/14 = 12 × 9/14 × 9 = 108/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
42/9 = 42 × 14/9 × 14 = 588/126 - Add the two like fractions:
108/126 + 588/126 = 108 + 588/126 = 696/126 - 696/126 simplified gives 116/21
- So, 12/14 + 42/9 = 116/21
In mixed form: 511/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/14+42/9 12/14+84/9 12/28+42/9 12/14+42/18 36/14+42/9 12/42+42/9 12/14+42/27 60/14+42/9 12/70+42/9 12/14+42/45 84/14+42/9 12/98+42/9 12/14+42/63