Add 18/54 and 7/5
1st number: 18/54, 2nd number: 1 2/5
18/54 + 7/5 is 26/15.
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,
7/5 = 7 × 54/5 × 54 = 378/270 - Add the two like fractions:
90/270 + 378/270 = 90 + 378/270 = 468/270 - 468/270 simplified gives 26/15
- So, 18/54 + 7/5 = 26/15
In mixed form: 111/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/54+7/5 18/54+14/5 18/54+7/10 18/54+21/5 18/54+7/15 90/54+7/5 18/54+35/5 18/54+7/25 18/54+49/5 18/54+7/35