Compare 2/5 and 4/20
2/5 is greater than 4/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 5 × 4 = 20,
2/5 = 2 × 4/5 × 4 = 8/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
4/20 = 4 × 1/20 × 1 = 4/20 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 8/20 > 4/20 or 2/5 > 4/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/5 and 4/20 2/5 and 8/20 2/10 and 4/20 2/5 and 4/40 6/5 and 4/20 2/5 and 12/20 2/15 and 4/20 2/5 and 4/60 10/5 and 4/20 2/25 and 4/20 14/5 and 4/20 2/5 and 28/20 2/35 and 4/20