Compare 7/90 and 81/5
1st number: 7/90, 2nd number: 16 1/5
7/90 is smaller than 81/5
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
7/90 = 7 × 1/90 × 1 = 7/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
81/5 = 81 × 18/5 × 18 = 1458/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 7/90 < 1458/90 or 7/90 < 81/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/90 and 81/5 7/90 and 81/10 21/90 and 81/5 7/90 and 81/15 35/90 and 81/5 7/90 and 81/25 49/90 and 81/5 7/90 and 81/35