Compare 21/4 and 24/42
1st number: 5 1/4, 2nd number: 24/42
21/4 is greater than 24/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
21/4 = 21 × 21/4 × 21 = 441/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
24/42 = 24 × 2/42 × 2 = 48/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 441/84 > 48/84 or 21/4 > 24/42
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 24/42 21/4 and 48/42 21/8 and 24/42 21/4 and 24/84 63/4 and 24/42 21/4 and 72/42 21/12 and 24/42 21/20 and 24/42 21/28 and 24/42