Compare 5/50 and 18/80
5/50 is smaller than 18/80
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 80 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 50 × 8 = 400,
5/50 = 5 × 8/50 × 8 = 40/400 - Likewise, for the 2nd fraction, since 80 × 5 = 400,
18/80 = 18 × 5/80 × 5 = 90/400 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 40/400 < 90/400 or 5/50 < 18/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/50 and 18/80 5/50 and 36/80 15/50 and 18/80 5/50 and 54/80 25/50 and 18/80 5/50 and 90/80 35/50 and 18/80