Compare 25/84 and 12/20
25/84 is smaller than 12/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
25/84 = 25 × 5/84 × 5 = 125/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
12/20 = 12 × 21/20 × 21 = 252/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 125/420 < 252/420 or 25/84 < 12/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/84 and 12/20 25/84 and 24/20 25/84 and 12/40 75/84 and 12/20 25/84 and 36/20 25/84 and 12/60 25/84 and 60/20 25/84 and 84/20