Compare 9/40 and 75/80
9/40 is smaller than 75/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 40 × 2 = 80,
9/40 = 9 × 2/40 × 2 = 18/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
75/80 = 75 × 1/80 × 1 = 75/80 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 18/80 < 75/80 or 9/40 < 75/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/40 and 75/80 9/80 and 75/80 27/40 and 75/80 45/40 and 75/80 63/40 and 75/80