Compare 30/8 and 1/81
1st number: 3 6/8, 2nd number: 1/81
30/8 is greater than 1/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 81 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 8 × 81 = 648,
30/8 = 30 × 81/8 × 81 = 2430/648 - Likewise, for the 2nd fraction, since 81 × 8 = 648,
1/81 = 1 × 8/81 × 8 = 8/648 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2430/648 > 8/648 or 30/8 > 1/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8 and 1/81 30/8 and 2/81 30/16 and 1/81 90/8 and 1/81 30/8 and 3/81 30/24 and 1/81 30/8 and 5/81 30/40 and 1/81 30/8 and 7/81 30/56 and 1/81