Compare 9/2 and 20/80
1st number: 4 1/2, 2nd number: 20/80
9/2 is greater than 20/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
9/2 = 9 × 40/2 × 40 = 360/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
20/80 = 20 × 1/80 × 1 = 20/80 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 360/80 > 20/80 or 9/2 > 20/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/2 and 20/80 9/2 and 40/80 9/4 and 20/80 27/2 and 20/80 9/2 and 60/80 9/6 and 20/80 45/2 and 20/80 9/10 and 20/80 63/2 and 20/80 9/14 and 20/80