Compare 42/24 and 3/81
1st number: 1 18/24, 2nd number: 3/81
42/24 is greater than 3/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 24 × 27 = 648,
42/24 = 42 × 27/24 × 27 = 1134/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
3/81 = 3 × 8/81 × 8 = 24/648 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1134/648 > 24/648 or 42/24 > 3/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/24 and 3/81 42/24 and 6/81 42/48 and 3/81 42/24 and 9/81 42/72 and 3/81 42/24 and 15/81 42/24 and 21/81