Compare 36/18 and 75/20
1st number: 2 0/18, 2nd number: 3 15/20
36/18 is smaller than 75/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
36/18 = 36 × 10/18 × 10 = 360/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
75/20 = 75 × 9/20 × 9 = 675/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 360/180 < 675/180 or 36/18 < 75/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/18 and 75/20 36/18 and 75/40 36/54 and 75/20 36/18 and 75/60 36/90 and 75/20