Compare 54/7 and 90/18
1st number: 7 5/7, 2nd number: 5 0/18
54/7 is greater than 90/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
54/7 = 54 × 18/7 × 18 = 972/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
90/18 = 90 × 7/18 × 7 = 630/126 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 972/126 > 630/126 or 54/7 > 90/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/14 and 90/18 54/7 and 90/36 54/21 and 90/18 54/7 and 90/54 54/35 and 90/18 54/49 and 90/18