Compare 48/84 and 21/20
1st number: 48/84, 2nd number: 1 1/20
48/84 is smaller than 21/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
48/84 = 48 × 5/84 × 5 = 240/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
21/20 = 21 × 21/20 × 21 = 441/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 240/420 < 441/420 or 48/84 < 21/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/84 and 21/20 48/84 and 42/20 48/84 and 21/40 48/84 and 63/20 48/84 and 21/60