Compare 81/18 and 49/5
1st number: 4 9/18, 2nd number: 9 4/5
81/18 is smaller than 49/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
81/18 = 81 × 5/18 × 5 = 405/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
49/5 = 49 × 18/5 × 18 = 882/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 405/90 < 882/90 or 81/18 < 49/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/18 and 98/5 81/36 and 49/5 81/18 and 49/10 81/54 and 49/5 81/18 and 49/15 81/90 and 49/5 81/18 and 49/25 81/18 and 49/35