Compare 15/75 and 9/30
15/75 is smaller than 9/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
15/75 = 15 × 2/75 × 2 = 30/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
9/30 = 9 × 5/30 × 5 = 45/150 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 30/150 < 45/150 or 15/75 < 9/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/75 and 9/30 15/75 and 18/30 15/75 and 9/60 45/75 and 9/30 15/75 and 27/30 15/75 and 9/90 15/75 and 45/30 15/75 and 63/30