Compare 6/2 and 30/21
1st number: 3 0/2, 2nd number: 1 9/21
6/2 is greater than 30/21
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,
6/2 = 6 × 21/2 × 21 = 126/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
30/21 = 30 × 2/21 × 2 = 60/42 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 126/42 > 60/42 or 6/2 > 30/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/2 and 30/21 6/2 and 60/21 6/4 and 30/21 6/2 and 30/42 18/2 and 30/21 6/2 and 90/21 6/2 and 30/63 30/2 and 30/21 6/10 and 30/21 42/2 and 30/21 6/14 and 30/21