Compare 42/30 and 30/54
1st number: 1 12/30, 2nd number: 30/54
42/30 is greater than 30/54
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
42/30 = 42 × 9/30 × 9 = 378/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
30/54 = 30 × 5/54 × 5 = 150/270 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 378/270 > 150/270 or 42/30 > 30/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30 and 30/54 42/30 and 60/54 42/60 and 30/54 42/30 and 90/54 42/90 and 30/54