Compare 81/21 and 6/10
1st number: 3 18/21, 2nd number: 6/10
81/21 is greater than 6/10
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,
81/21 = 81 × 10/21 × 10 = 810/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
6/10 = 6 × 21/10 × 21 = 126/210 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 810/210 > 126/210 or 81/21 > 6/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/21 and 12/10 81/42 and 6/10 81/21 and 6/20 81/21 and 18/10 81/63 and 6/10 81/21 and 6/30 81/21 and 30/10 81/21 and 6/50 81/21 and 42/10 81/21 and 6/70