Compare 49/30 and 42/18
1st number: 1 19/30, 2nd number: 2 6/18
49/30 is smaller than 42/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
49/30 = 49 × 3/30 × 3 = 147/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
42/18 = 42 × 5/18 × 5 = 210/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 147/90 < 210/90 or 49/30 < 42/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/30 and 42/18 49/30 and 84/18 49/60 and 42/18 49/30 and 42/36 49/90 and 42/18 49/30 and 42/54 49/30 and 42/90