Compare 1/81 and 42/10
1st number: 1/81, 2nd number: 4 2/10
1/81 is smaller than 42/10
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 10 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 81 × 10 = 810,
1/81 = 1 × 10/81 × 10 = 10/810 - Likewise, for the 2nd fraction, since 10 × 81 = 810,
42/10 = 42 × 81/10 × 81 = 3402/810 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 10/810 < 3402/810 or 1/81 < 42/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/81 and 42/10 1/81 and 84/10 1/81 and 42/20 3/81 and 42/10 1/81 and 42/30 5/81 and 42/10 1/81 and 42/50 7/81 and 42/10 1/81 and 42/70