Compare 15/30 and 30/75
15/30 is greater than 30/75
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
15/30 = 15 × 5/30 × 5 = 75/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
30/75 = 30 × 2/75 × 2 = 60/150 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 75/150 > 60/150 or 15/30 > 30/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/30 and 60/75 15/60 and 30/75 45/30 and 30/75 15/30 and 90/75 15/90 and 30/75 75/30 and 30/75