Compare 84/18 and 42/25
1st number: 4 12/18, 2nd number: 1 17/25
84/18 is greater than 42/25
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
84/18 = 84 × 25/18 × 25 = 2100/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
42/25 = 42 × 18/25 × 18 = 756/450 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2100/450 > 756/450 or 84/18 > 42/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/18 and 84/25 84/36 and 42/25 84/18 and 42/50 84/54 and 42/25 84/18 and 42/75 84/90 and 42/25