Add 30/27 and 4/12
1st number: 1 3/27, 2nd number: 4/12
30/27 + 4/12 is 13/9.
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,
30/27 = 30 × 4/27 × 4 = 120/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
4/12 = 4 × 9/12 × 9 = 36/108 - Add the two like fractions:
120/108 + 36/108 = 120 + 36/108 = 156/108 - 156/108 simplified gives 13/9
- So, 30/27 + 4/12 = 13/9
In mixed form: 14/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/27+4/12 30/27+8/12 30/54+4/12 30/27+4/24 90/27+4/12 30/81+4/12 30/27+4/36 30/27+20/12 30/27+4/60 30/27+28/12 30/27+4/84