Compare 1/81 and 10/45
1/81 is smaller than 10/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 45 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 81 × 5 = 405,
1/81 = 1 × 5/81 × 5 = 5/405 - Likewise, for the 2nd fraction, since 45 × 9 = 405,
10/45 = 10 × 9/45 × 9 = 90/405 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 5/405 < 90/405 or 1/81 < 10/45
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 10/45 1/81 and 20/45 1/81 and 10/90 3/81 and 10/45 1/81 and 30/45 5/81 and 10/45 1/81 and 50/45 7/81 and 10/45 1/81 and 70/45