Compare 3/84 and 1/20
3/84 is smaller than 1/20
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,
3/84 = 3 × 5/84 × 5 = 15/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
1/20 = 1 × 21/20 × 21 = 21/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 15/420 < 21/420 or 3/84 < 1/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/84 and 1/20 3/84 and 2/20 3/84 and 1/40 9/84 and 1/20 3/84 and 3/20 3/84 and 1/60 15/84 and 1/20 3/84 and 5/20 21/84 and 1/20 3/84 and 7/20