Compare 30/12 and 18/54
1st number: 2 6/12, 2nd number: 18/54
30/12 is greater than 18/54
Steps for comparing 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,
30/12 = 30 × 9/12 × 9 = 270/108 - Likewise, for the 2nd fraction, since 54 × 2 = 108,
18/54 = 18 × 2/54 × 2 = 36/108 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 270/108 > 36/108 or 30/12 > 18/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/12 and 18/54 30/12 and 36/54 30/24 and 18/54 90/12 and 18/54 30/36 and 18/54 30/12 and 90/54 30/60 and 18/54 30/84 and 18/54