Add 42/27 and 25/12
1st number: 1 15/27, 2nd number: 2 1/12
42/27 + 25/12 is 131/36.
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,
25/12 = 25 × 9/12 × 9 = 225/108 - Add the two like fractions:
168/108 + 225/108 = 168 + 225/108 = 393/108 - 393/108 simplified gives 131/36
- So, 42/27 + 25/12 = 131/36
In mixed form: 323/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27+25/12 42/27+50/12 42/54+25/12 42/27+25/24 42/27+75/12 42/81+25/12 42/27+25/36 42/27+25/60 42/27+25/84