Compare 3/12 and 84/20
1st number: 3/12, 2nd number: 4 4/20
3/12 is smaller than 84/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
3/12 = 3 × 5/12 × 5 = 15/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
84/20 = 84 × 3/20 × 3 = 252/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 15/60 < 252/60 or 3/12 < 84/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12 and 84/20 3/24 and 84/20 3/12 and 84/40 9/12 and 84/20 3/36 and 84/20 3/12 and 84/60 15/12 and 84/20 3/60 and 84/20 21/12 and 84/20 3/84 and 84/20