Compare 54/21 and 8/20
1st number: 2 12/21, 2nd number: 8/20
54/21 is greater than 8/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 21 × 20 = 420,
54/21 = 54 × 20/21 × 20 = 1080/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
8/20 = 8 × 21/20 × 21 = 168/420 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 1080/420 > 168/420 or 54/21 > 8/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/21 and 16/20 54/42 and 8/20 54/21 and 8/40 54/21 and 24/20 54/63 and 8/20 54/21 and 8/60 54/21 and 40/20 54/21 and 56/20