Compare 4/20 and 24/21
1st number: 4/20, 2nd number: 1 3/21
4/20 is smaller than 24/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
4/20 = 4 × 21/20 × 21 = 84/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
24/21 = 24 × 20/21 × 20 = 480/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 84/420 < 480/420 or 4/20 < 24/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/20 and 24/21 4/20 and 48/21 4/40 and 24/21 4/20 and 24/42 12/20 and 24/21 4/20 and 72/21 4/60 and 24/21 4/20 and 24/63 28/20 and 24/21