Add 15/12 and 14/7
1st number: 1 3/12, 2nd number: 2 0/7
15/12 + 14/7 is 13/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
15/12 = 15 × 7/12 × 7 = 105/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
14/7 = 14 × 12/7 × 12 = 168/84 - Add the two like fractions:
105/84 + 168/84 = 105 + 168/84 = 273/84 - 273/84 simplified gives 13/4
- So, 15/12 + 14/7 = 13/4
In mixed form: 31/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12+14/7 15/12+28/7 15/24+14/7 45/12+14/7 15/12+42/7 15/36+14/7 15/12+14/21 75/12+14/7 15/12+70/7 15/60+14/7 15/12+14/35 15/12+98/7 15/84+14/7 15/12+14/49