Compare 21/3 and 1/30
1st number: 7 0/3, 2nd number: 1/30
21/3 is greater than 1/30
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 3 × 10 = 30,
21/3 = 21 × 10/3 × 10 = 210/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
1/30 = 1 × 1/30 × 1 = 1/30 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 210/30 > 1/30 or 21/3 > 1/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/3 and 1/30 21/3 and 2/30 21/6 and 1/30 21/3 and 1/60 63/3 and 1/30 21/3 and 3/30 21/9 and 1/30 21/3 and 1/90 21/3 and 5/30 21/15 and 1/30 21/3 and 7/30