Compare 81/20 and 7/4
1st number: 4 1/20, 2nd number: 1 3/4
81/20 is greater than 7/4
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
81/20 = 81 × 1/20 × 1 = 81/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
7/4 = 7 × 5/4 × 5 = 35/20 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 81/20 > 35/20 or 81/20 > 7/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/20 and 14/4 81/40 and 7/4 81/20 and 7/8 81/20 and 21/4 81/60 and 7/4 81/20 and 7/12 81/20 and 35/4 81/20 and 7/20 81/20 and 49/4 81/20 and 7/28