Compare 30/18 and 49/30
1st number: 1 12/18, 2nd number: 1 19/30
30/18 is greater than 49/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
30/18 = 30 × 5/18 × 5 = 150/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
49/30 = 49 × 3/30 × 3 = 147/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 150/90 > 147/90 or 30/18 > 49/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18 and 49/30 30/18 and 98/30 30/36 and 49/30 30/18 and 49/60 90/18 and 49/30 30/54 and 49/30 30/18 and 49/90 30/90 and 49/30