Compare 84/18 and 42/50
1st number: 4 12/18, 2nd number: 42/50
84/18 is greater than 42/50
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 50 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 50 × 9 = 450,
42/50 = 42 × 9/50 × 9 = 378/450 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 2100/450 > 378/450 or 84/18 > 42/50
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 84/50 84/36 and 42/50 84/54 and 42/50 84/90 and 42/50