Compare 30/15 and 72/24
1st number: 2 0/15, 2nd number: 3 0/24
30/15 is smaller than 72/24
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
30/15 = 30 × 8/15 × 8 = 240/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
72/24 = 72 × 5/24 × 5 = 360/120 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 240/120 < 360/120 or 30/15 < 72/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/15 and 72/24 30/15 and 72/48 90/15 and 72/24 30/45 and 72/24 30/75 and 72/24