Compare 30/42 and 63/54
1st number: 30/42, 2nd number: 1 9/54
30/42 is smaller than 63/54
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
30/42 = 30 × 9/42 × 9 = 270/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
63/54 = 63 × 7/54 × 7 = 441/378 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 270/378 < 441/378 or 30/42 < 63/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/42 and 63/54 30/84 and 63/54 90/42 and 63/54