Add 54/12 and 18/27
1st number: 4 6/12, 2nd number: 18/27
54/12 + 18/27 is 31/6.
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,
54/12 = 54 × 9/12 × 9 = 486/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
18/27 = 18 × 4/27 × 4 = 72/108 - Add the two like fractions:
486/108 + 72/108 = 486 + 72/108 = 558/108 - 558/108 simplified gives 31/6
- So, 54/12 + 18/27 = 31/6
In mixed form: 51/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+36/27 54/24+18/27 54/12+18/54 54/12+54/27 54/36+18/27 54/12+18/81 54/12+90/27 54/60+18/27 54/84+18/27