Add 18/54 and 3/5
18/54 + 3/5 is 14/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 5 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
18/54 = 18 × 5/54 × 5 = 90/270 - Likewise, for the 2nd fraction, since 5 × 54 = 270,
3/5 = 3 × 54/5 × 54 = 162/270 - Add the two like fractions:
90/270 + 162/270 = 90 + 162/270 = 252/270 - 252/270 simplified gives 14/15
- So, 18/54 + 3/5 = 14/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/54+3/5 18/54+6/5 18/54+3/10 18/54+9/5 18/54+3/15 90/54+3/5 18/54+15/5 18/54+3/25 18/54+21/5 18/54+3/35