Add 28/18 and 18/54
1st number: 1 10/18, 2nd number: 18/54
28/18 + 18/54 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
28/18 = 28 × 3/18 × 3 = 84/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
18/54 = 18 × 1/54 × 1 = 18/54 - Add the two like fractions:
84/54 + 18/54 = 84 + 18/54 = 102/54 - 102/54 simplified gives 17/9
- So, 28/18 + 18/54 = 17/9
In mixed form: 18/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/18+18/54 28/18+36/54 28/36+18/54 84/18+18/54 28/54+18/54 28/18+90/54 28/90+18/54