Compare 81/7 and 1/45
1st number: 11 4/7, 2nd number: 1/45
81/7 is greater than 1/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
81/7 = 81 × 45/7 × 45 = 3645/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
1/45 = 1 × 7/45 × 7 = 7/315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 3645/315 > 7/315 or 81/7 > 1/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/7 and 2/45 81/14 and 1/45 81/7 and 1/90 81/7 and 3/45 81/21 and 1/45 81/7 and 5/45 81/35 and 1/45 81/7 and 7/45 81/49 and 1/45