Compare 49/21 and 15/4
1st number: 2 7/21, 2nd number: 3 3/4
49/21 is smaller than 15/4
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
49/21 = 49 × 4/21 × 4 = 196/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
15/4 = 15 × 21/4 × 21 = 315/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 196/84 < 315/84 or 49/21 < 15/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/21 and 15/4 49/21 and 30/4 49/42 and 15/4 49/21 and 15/8 49/21 and 45/4 49/63 and 15/4 49/21 and 15/12 49/21 and 75/4 49/21 and 15/20 49/21 and 15/28