Add 42/27 and 1/12
1st number: 1 15/27, 2nd number: 1/12
42/27 + 1/12 is 59/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 27 × 4 = 108,
42/27 = 42 × 4/27 × 4 = 168/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
1/12 = 1 × 9/12 × 9 = 9/108 - Add the two like fractions:
168/108 + 9/108 = 168 + 9/108 = 177/108 - 177/108 simplified gives 59/36
- So, 42/27 + 1/12 = 59/36
In mixed form: 123/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27+1/12 42/27+2/12 42/54+1/12 42/27+1/24 42/27+3/12 42/81+1/12 42/27+1/36 42/27+5/12 42/27+1/60 42/27+7/12 42/27+1/84