Compare 9/30 and 21/3
1st number: 9/30, 2nd number: 7 0/3
9/30 is smaller than 21/3
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 3 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
9/30 = 9 × 1/30 × 1 = 9/30 - Likewise, for the 2nd fraction, since 3 × 10 = 30,
21/3 = 21 × 10/3 × 10 = 210/30 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 9/30 < 210/30 or 9/30 < 21/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/30 and 21/3 9/30 and 42/3 9/60 and 21/3 9/30 and 21/6 27/30 and 21/3 9/30 and 63/3 9/90 and 21/3 9/30 and 21/9 45/30 and 21/3 9/30 and 21/15 63/30 and 21/3