Compare 18/20 and 75/40
1st number: 18/20, 2nd number: 1 35/40
18/20 is smaller than 75/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
18/20 = 18 × 2/20 × 2 = 36/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
75/40 = 75 × 1/40 × 1 = 75/40 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 36/40 < 75/40 or 18/20 < 75/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/20 and 75/40 18/40 and 75/40 18/20 and 75/80 54/20 and 75/40 18/60 and 75/40 90/20 and 75/40