Add 14/12 and 28/15
1st number: 1 2/12, 2nd number: 1 13/15
14/12 + 28/15 is 91/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
14/12 = 14 × 5/12 × 5 = 70/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
28/15 = 28 × 4/15 × 4 = 112/60 - Add the two like fractions:
70/60 + 112/60 = 70 + 112/60 = 182/60 - 182/60 simplified gives 91/30
- So, 14/12 + 28/15 = 91/30
In mixed form: 31/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/12+28/15 14/12+56/15 14/24+28/15 14/12+28/30 42/12+28/15 14/12+84/15 14/36+28/15 14/12+28/45 70/12+28/15 14/60+28/15 14/12+28/75 98/12+28/15 14/84+28/15