Compare 63/28 and 4/21
1st number: 2 7/28, 2nd number: 4/21
63/28 is greater than 4/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
63/28 = 63 × 3/28 × 3 = 189/84 - 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
- 189/84 > 16/84 or 63/28 > 4/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/28 and 8/21 63/56 and 4/21 63/28 and 4/42 63/28 and 12/21 63/84 and 4/21 63/28 and 4/63 63/28 and 20/21 63/28 and 28/21