Compare 16/21 and 84/28
1st number: 16/21, 2nd number: 3 0/28
16/21 is smaller than 84/28
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
16/21 = 16 × 4/21 × 4 = 64/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
84/28 = 84 × 3/28 × 3 = 252/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 64/84 < 252/84 or 16/21 < 84/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21 and 84/28 16/42 and 84/28 16/21 and 84/56 48/21 and 84/28 16/63 and 84/28 80/21 and 84/28