Compare 3/18 and 80/50
1st number: 3/18, 2nd number: 1 30/50
3/18 is smaller than 80/50
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,
3/18 = 3 × 25/18 × 25 = 75/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
80/50 = 80 × 9/50 × 9 = 720/450 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 75/450 < 720/450 or 3/18 < 80/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18 and 80/50 3/36 and 80/50 9/18 and 80/50 3/54 and 80/50 15/18 and 80/50 3/90 and 80/50 21/18 and 80/50