Compare 81/10 and 18/72
1st number: 8 1/10, 2nd number: 18/72
81/10 is greater than 18/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
81/10 = 81 × 36/10 × 36 = 2916/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
18/72 = 18 × 5/72 × 5 = 90/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2916/360 > 90/360 or 81/10 > 18/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/10 and 36/72 81/20 and 18/72 81/10 and 54/72 81/30 and 18/72 81/10 and 90/72 81/50 and 18/72 81/70 and 18/72