Compare 15/42 and 49/30
1st number: 15/42, 2nd number: 1 19/30
15/42 is smaller than 49/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
15/42 = 15 × 5/42 × 5 = 75/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
49/30 = 49 × 7/30 × 7 = 343/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 75/210 < 343/210 or 15/42 < 49/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/42 and 49/30 15/42 and 98/30 15/84 and 49/30 15/42 and 49/60 45/42 and 49/30 15/42 and 49/90 75/42 and 49/30