Compare 42/18 and 50/80
1st number: 2 6/18, 2nd number: 50/80
42/18 is greater than 50/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
42/18 = 42 × 40/18 × 40 = 1680/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
50/80 = 50 × 9/80 × 9 = 450/720 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1680/720 > 450/720 or 42/18 > 50/80
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 50/80 42/36 and 50/80 42/54 and 50/80 42/90 and 50/80