Compare 12/15 and 75/20
1st number: 12/15, 2nd number: 3 15/20
12/15 is smaller than 75/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
12/15 = 12 × 4/15 × 4 = 48/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
75/20 = 75 × 3/20 × 3 = 225/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 48/60 < 225/60 or 12/15 < 75/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/15 and 75/20 12/30 and 75/20 12/15 and 75/40 36/15 and 75/20 12/45 and 75/20 12/15 and 75/60 60/15 and 75/20 12/75 and 75/20 84/15 and 75/20