Add 72/9 and 14/12
1st number: 8 0/9, 2nd number: 1 2/12
72/9 + 14/12 is 55/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
72/9 = 72 × 4/9 × 4 = 288/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
14/12 = 14 × 3/12 × 3 = 42/36 - Add the two like fractions:
288/36 + 42/36 = 288 + 42/36 = 330/36 - 330/36 simplified gives 55/6
- So, 72/9 + 14/12 = 55/6
In mixed form: 91/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/9+28/12 72/18+14/12 72/9+14/24 72/9+42/12 72/27+14/12 72/9+14/36 72/9+70/12 72/45+14/12 72/9+14/60 72/9+98/12 72/63+14/12 72/9+14/84