Add 42/36 and 7/27
1st number: 1 6/36, 2nd number: 7/27
42/36 + 7/27 is 77/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 36 × 3 = 108,
42/36 = 42 × 3/36 × 3 = 126/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
7/27 = 7 × 4/27 × 4 = 28/108 - Add the two like fractions:
126/108 + 28/108 = 126 + 28/108 = 154/108 - 154/108 simplified gives 77/54
- So, 42/36 + 7/27 = 77/54
In mixed form: 123/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/36+7/27 42/36+14/27 42/72+7/27 42/36+7/54 42/36+21/27 42/36+7/81 42/36+35/27 42/36+49/27