Compare 15/25 and 16/20
15/25 is smaller than 16/20
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,
15/25 = 15 × 4/25 × 4 = 60/100 - Likewise, for the 2nd fraction, since 20 × 5 = 100,
16/20 = 16 × 5/20 × 5 = 80/100 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 60/100 < 80/100 or 15/25 < 16/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/25 and 16/20 15/25 and 32/20 15/50 and 16/20 15/25 and 16/40 45/25 and 16/20 15/25 and 48/20 15/75 and 16/20 15/25 and 16/60 75/25 and 16/20 15/25 and 80/20