Compare 90/42 and 7/72
1st number: 2 6/42, 2nd number: 7/72
90/42 is greater than 7/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 42 × 12 = 504,
90/42 = 90 × 12/42 × 12 = 1080/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
7/72 = 7 × 7/72 × 7 = 49/504 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1080/504 > 49/504 or 90/42 > 7/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/42 and 14/72 90/84 and 7/72 90/42 and 21/72 90/42 and 35/72 90/42 and 49/72