Compare 20/75 and 3/18
20/75 is greater than 3/18
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 18 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
20/75 = 20 × 6/75 × 6 = 120/450 - Likewise, for the 2nd fraction, since 18 × 25 = 450,
3/18 = 3 × 25/18 × 25 = 75/450 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 120/450 > 75/450 or 20/75 > 3/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75 and 3/18 20/75 and 6/18 20/75 and 3/36 60/75 and 3/18 20/75 and 9/18 20/75 and 3/54 20/75 and 15/18 20/75 and 3/90 20/75 and 21/18