Compare 1/15 and 90/30
1st number: 1/15, 2nd number: 3 0/30
1/15 is smaller than 90/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
1/15 = 1 × 2/15 × 2 = 2/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
90/30 = 90 × 1/30 × 1 = 90/30 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2/30 < 90/30 or 1/15 < 90/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/15 and 90/30 1/30 and 90/30 1/15 and 90/60 3/15 and 90/30 1/45 and 90/30 5/15 and 90/30 1/75 and 90/30 7/15 and 90/30