Compare 4/8 and 3/20
4/8 is greater than 3/20
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,
4/8 = 4 × 5/8 × 5 = 20/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
3/20 = 3 × 2/20 × 2 = 6/40 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 20/40 > 6/40 or 4/8 > 3/20
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 6/20 4/16 and 3/20 4/8 and 3/40 12/8 and 3/20 4/8 and 9/20 4/24 and 3/20 4/8 and 3/60 20/8 and 3/20 4/8 and 15/20 4/40 and 3/20 28/8 and 3/20 4/8 and 21/20 4/56 and 3/20