Compare 80/9 and 40/20
1st number: 8 8/9, 2nd number: 2 0/20
80/9 is greater than 40/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
80/9 = 80 × 20/9 × 20 = 1600/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
40/20 = 40 × 9/20 × 9 = 360/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1600/180 > 360/180 or 80/9 > 40/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/9 and 80/20 80/18 and 40/20 80/27 and 40/20 80/9 and 40/60 80/45 and 40/20 80/63 and 40/20