Compare 75/30 and 90/15
1st number: 2 15/30, 2nd number: 6 0/15
75/30 is smaller than 90/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
75/30 = 75 × 1/30 × 1 = 75/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
90/15 = 90 × 2/15 × 2 = 180/30 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 75/30 < 180/30 or 75/30 < 90/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/60 and 90/15 75/30 and 90/30 75/90 and 90/15 75/30 and 90/45 75/30 and 90/75