Compare 2/8 and 18/20
2/8 is smaller than 18/20
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,
2/8 = 2 × 5/8 × 5 = 10/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
18/20 = 18 × 2/20 × 2 = 36/40 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 10/40 < 36/40 or 2/8 < 18/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/8 and 18/20 2/8 and 36/20 2/16 and 18/20 2/8 and 18/40 6/8 and 18/20 2/8 and 54/20 2/24 and 18/20 2/8 and 18/60 10/8 and 18/20 2/8 and 90/20 2/40 and 18/20 14/8 and 18/20 2/56 and 18/20