Add 14/12 and 81/15
1st number: 1 2/12, 2nd number: 5 6/15
14/12 + 81/15 is 197/30.
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,
81/15 = 81 × 4/15 × 4 = 324/60 - Add the two like fractions:
70/60 + 324/60 = 70 + 324/60 = 394/60 - 394/60 simplified gives 197/30
- So, 14/12 + 81/15 = 197/30
In mixed form: 617/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/12+81/15 14/24+81/15 14/12+81/30 42/12+81/15 14/36+81/15 14/12+81/45 70/12+81/15 14/60+81/15 14/12+81/75 98/12+81/15 14/84+81/15