Compare 84/12 and 4/21
1st number: 7 0/12, 2nd number: 4/21
84/12 is greater than 4/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
84/12 = 84 × 7/12 × 7 = 588/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
4/21 = 4 × 4/21 × 4 = 16/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 588/84 > 16/84 or 84/12 > 4/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12 and 8/21 84/24 and 4/21 84/12 and 4/42 84/12 and 12/21 84/36 and 4/21 84/12 and 4/63 84/12 and 20/21 84/60 and 4/21 84/12 and 28/21