Compare 18/54 and 15/5
1st number: 18/54, 2nd number: 3 0/5
18/54 is smaller than 15/5
Steps for comparing 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,
15/5 = 15 × 54/5 × 54 = 810/270 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/270 < 810/270 or 18/54 < 15/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/54 and 15/5 18/54 and 30/5 18/54 and 15/10 18/54 and 45/5 90/54 and 15/5 18/54 and 75/5 18/54 and 15/25 18/54 and 15/35