Add 9/14 and 42/12
1st number: 9/14, 2nd number: 3 6/12
9/14 + 42/12 is 29/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
9/14 = 9 × 6/14 × 6 = 54/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
42/12 = 42 × 7/12 × 7 = 294/84 - Add the two like fractions:
54/84 + 294/84 = 54 + 294/84 = 348/84 - 348/84 simplified gives 29/7
- So, 9/14 + 42/12 = 29/7
In mixed form: 41/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/14+42/12 9/14+84/12 9/28+42/12 9/14+42/24 27/14+42/12 9/42+42/12 9/14+42/36 45/14+42/12 9/70+42/12 9/14+42/60 63/14+42/12 9/98+42/12 9/14+42/84