Compare 30/54 and 5/7
30/54 is smaller than 5/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
30/54 = 30 × 7/54 × 7 = 210/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
5/7 = 5 × 54/7 × 54 = 270/378 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210/378 < 270/378 or 30/54 < 5/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/54 and 5/7 30/54 and 10/7 30/54 and 5/14 90/54 and 5/7 30/54 and 15/7 30/54 and 5/21 30/54 and 25/7 30/54 and 5/35 30/54 and 35/7 30/54 and 5/49