Compare 50/45 and 50/81
1st number: 1 5/45, 2nd number: 50/81
50/45 is greater than 50/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 45 × 9 = 405,
50/45 = 50 × 9/45 × 9 = 450/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
50/81 = 50 × 5/81 × 5 = 250/405 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 450/405 > 250/405 or 50/45 > 50/81
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/90 and 50/81