Add 42/12 and 7/27
1st number: 3 6/12, 2nd number: 7/27
42/12 + 7/27 is 203/54.
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,
42/12 = 42 × 9/12 × 9 = 378/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
7/27 = 7 × 4/27 × 4 = 28/108 - Add the two like fractions:
378/108 + 28/108 = 378 + 28/108 = 406/108 - 406/108 simplified gives 203/54
- So, 42/12 + 7/27 = 203/54
In mixed form: 341/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12+7/27 42/12+14/27 42/24+7/27 42/12+7/54 42/12+21/27 42/36+7/27 42/12+7/81 42/12+35/27 42/60+7/27 42/12+49/27 42/84+7/27