Compare 10/2 and 9/21
1st number: 5 0/2, 2nd number: 9/21
102 is greater than 921
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
102 = 10 × 212 × 21 = 21042 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
921 = 9 × 221 × 2 = 1842 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 21042 > 1842 or 102 > 921
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/2 and 9/21 10/2 and 18/21 10/4 and 9/21 10/2 and 9/42 30/2 and 9/21 10/2 and 27/21 10/6 and 9/21 10/2 and 9/63 50/2 and 9/21 10/2 and 45/21 70/2 and 9/21 10/2 and 63/21 10/14 and 9/21