Compare 9/21 and 3/10
921 is greater than 310
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
921 = 9 × 1021 × 10 = 90210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
310 = 3 × 2110 × 21 = 63210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90210 > 63210 or 921 > 310
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/21 and 3/10 9/21 and 6/10 9/42 and 3/10 9/21 and 3/20 27/21 and 3/10 9/21 and 9/10 9/63 and 3/10 9/21 and 3/30 45/21 and 3/10 9/21 and 15/10 9/21 and 3/50 63/21 and 3/10 9/21 and 21/10 9/21 and 3/70