Compare 30/15 and 30/4
1st number: 2 0/15, 2nd number: 7 2/4
30/15 is smaller than 30/4
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
30/15 = 30 × 4/15 × 4 = 120/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
30/4 = 30 × 15/4 × 15 = 450/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 120/60 < 450/60 or 30/15 < 30/4
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 30/4 30/15 and 60/4 30/15 and 30/8 90/15 and 30/4 30/15 and 90/4 30/45 and 30/4 30/15 and 30/12 30/75 and 30/4 30/15 and 30/20 30/15 and 30/28