Compare 21/4 and 56/9
1st number: 5 1/4, 2nd number: 6 2/9
21/4 is smaller than 56/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
21/4 = 21 × 9/4 × 9 = 189/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
56/9 = 56 × 4/9 × 4 = 224/36 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 189/36 < 224/36 or 21/4 < 56/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/4 and 56/9 21/8 and 56/9 21/4 and 56/18 63/4 and 56/9 21/12 and 56/9 21/4 and 56/27 21/20 and 56/9 21/4 and 56/45 21/28 and 56/9 21/4 and 56/63