Compare 18/8 and 50/20
1st number: 2 2/8, 2nd number: 2 10/20
18/8 is smaller than 50/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
18/8 = 18 × 5/8 × 5 = 90/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
50/20 = 50 × 2/20 × 2 = 100/40 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/40 < 100/40 or 18/8 < 50/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8 and 50/20 18/16 and 50/20 18/8 and 50/40 54/8 and 50/20 18/24 and 50/20 18/8 and 50/60 90/8 and 50/20 18/40 and 50/20 18/56 and 50/20