Compare 50/18 and 5/21
1st number: 2 14/18, 2nd number: 5/21
50/18 is greater than 5/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 21 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
50/18 = 50 × 7/18 × 7 = 350/126 - Likewise, for the 2nd fraction, since 21 × 6 = 126,
5/21 = 5 × 6/21 × 6 = 30/126 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 350/126 > 30/126 or 50/18 > 5/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/18 and 10/21 50/36 and 5/21 50/18 and 5/42 50/18 and 15/21 50/54 and 5/21 50/18 and 5/63 50/18 and 25/21 50/90 and 5/21 50/18 and 35/21