Add 15/12 and 1/27
1st number: 1 3/12, 2nd number: 1/27
15/12 + 1/27 is 139/108.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
15/12 = 15 × 9/12 × 9 = 135/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
1/27 = 1 × 4/27 × 4 = 4/108 - Add the two like fractions:
135/108 + 4/108 = 135 + 4/108 = 139/108 - So, 15/12 + 1/27 = 139/108
In mixed form: 131/108
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12+1/27 15/12+2/27 15/24+1/27 15/12+1/54 45/12+1/27 15/12+3/27 15/36+1/27 15/12+1/81 75/12+1/27 15/12+5/27 15/60+1/27 15/12+7/27 15/84+1/27