Compare 30/18 and 15/27
1st number: 1 12/18, 2nd number: 15/27
30/18 is greater than 15/27
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 27 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
30/18 = 30 × 3/18 × 3 = 90/54 - Likewise, for the 2nd fraction, since 27 × 2 = 54,
15/27 = 15 × 2/27 × 2 = 30/54 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/54 > 30/54 or 30/18 > 15/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18 and 15/27 30/18 and 30/27 30/36 and 15/27 30/18 and 15/54 90/18 and 15/27 30/18 and 45/27 30/54 and 15/27 30/18 and 15/81 30/18 and 75/27 30/90 and 15/27