Compare 30/18 and 50/5
1st number: 1 12/18, 2nd number: 10 0/5
30/18 is smaller than 50/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
30/18 = 30 × 5/18 × 5 = 150/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
50/5 = 50 × 18/5 × 18 = 900/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 150/90 < 900/90 or 30/18 < 50/5
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 50/5 30/36 and 50/5 30/18 and 50/10 90/18 and 50/5 30/54 and 50/5 30/18 and 50/15 30/90 and 50/5 30/18 and 50/25 30/18 and 50/35