Compare 10/90 and 72/15
1st number: 10/90, 2nd number: 4 12/15
10/90 is smaller than 72/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 15 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
10/90 = 10 × 1/90 × 1 = 10/90 - Likewise, for the 2nd fraction, since 15 × 6 = 90,
72/15 = 72 × 6/15 × 6 = 432/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 10/90 < 432/90 or 10/90 < 72/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90 and 72/15 10/90 and 72/30 30/90 and 72/15 10/90 and 72/45 50/90 and 72/15 10/90 and 72/75 70/90 and 72/15