Compare 54/21 and 8/12
1st number: 2 12/21, 2nd number: 8/12
54/21 is greater than 8/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
54/21 = 54 × 4/21 × 4 = 216/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
8/12 = 8 × 7/12 × 7 = 56/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 216/84 > 56/84 or 54/21 > 8/12
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 16/12 54/42 and 8/12 54/21 and 8/24 54/21 and 24/12 54/63 and 8/12 54/21 and 8/36 54/21 and 40/12 54/21 and 8/60 54/21 and 56/12 54/21 and 8/84