Compare 5/2 and 80/20
1st number: 2 1/2, 2nd number: 4 0/20
5/2 is smaller than 80/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
5/2 = 5 × 10/2 × 10 = 50/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
80/20 = 80 × 1/20 × 1 = 80/20 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 50/20 < 80/20 or 5/2 < 80/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/2 and 80/20 5/4 and 80/20 5/2 and 80/40 15/2 and 80/20 5/6 and 80/20 5/2 and 80/60 25/2 and 80/20 5/10 and 80/20 35/2 and 80/20 5/14 and 80/20