Compare 15/18 and 54/36
1st number: 15/18, 2nd number: 1 18/36
15/18 is smaller than 54/36
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
15/18 = 15 × 2/18 × 2 = 30/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
54/36 = 54 × 1/36 × 1 = 54/36 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 30/36 < 54/36 or 15/18 < 54/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/18 and 54/36 15/36 and 54/36 15/18 and 54/72 45/18 and 54/36 15/54 and 54/36 75/18 and 54/36 15/90 and 54/36