Compare 20/25 and 45/20
1st number: 20/25, 2nd number: 2 5/20
20/25 is smaller than 45/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 20 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 25 × 4 = 100,
20/25 = 20 × 4/25 × 4 = 80/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
45/20 = 45 × 5/20 × 5 = 225/100 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 80/100 < 225/100 or 20/25 < 45/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/25 and 45/20 20/25 and 90/20 20/50 and 45/20 20/25 and 45/40 60/25 and 45/20 20/75 and 45/20 20/25 and 45/60