Add 18/54 and 54/30
1st number: 18/54, 2nd number: 1 24/30
18/54 + 54/30 is 32/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 30 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 30 × 9 = 270,
54/30 = 54 × 9/30 × 9 = 486/270 - Add the two like fractions:
90/270 + 486/270 = 90 + 486/270 = 576/270 - 576/270 simplified gives 32/15
- So, 18/54 + 54/30 = 32/15
In mixed form: 22/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/54+54/30 18/54+54/60 18/54+54/90 90/54+54/30