Compare 90/72 and 3/18
1st number: 1 18/72, 2nd number: 3/18
90/72 is greater than 3/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
90/72 = 90 × 1/72 × 1 = 90/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
3/18 = 3 × 4/18 × 4 = 12/72 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/72 > 12/72 or 90/72 > 3/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/72 and 6/18 90/72 and 3/36 90/72 and 9/18 90/72 and 3/54 90/72 and 15/18 90/72 and 3/90 90/72 and 21/18