Compare 72/54 and 90/49
1st number: 1 18/54, 2nd number: 1 41/49
72/54 is smaller than 90/49
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 49 is 2646
Next, find the equivalent fraction of both fractional numbers with denominator 2646 - For the 1st fraction, since 54 × 49 = 2646,
72/54 = 72 × 49/54 × 49 = 3528/2646 - Likewise, for the 2nd fraction, since 49 × 54 = 2646,
90/49 = 90 × 54/49 × 54 = 4860/2646 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 3528/2646 < 4860/2646 or 72/54 < 90/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/54 and 90/98