Add 18/12 and 20/54
1st number: 1 6/12, 2nd number: 20/54
18/12 + 20/54 is 101/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 54 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 12 × 9 = 108,
18/12 = 18 × 9/12 × 9 = 162/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
20/54 = 20 × 2/54 × 2 = 40/108 - Add the two like fractions:
162/108 + 40/108 = 162 + 40/108 = 202/108 - 202/108 simplified gives 101/54
- So, 18/12 + 20/54 = 101/54
In mixed form: 147/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/12+20/54 18/12+40/54 18/24+20/54 54/12+20/54 18/12+60/54 18/36+20/54 90/12+20/54 18/60+20/54 18/84+20/54