Compare 75/12 and 50/21
1st number: 6 3/12, 2nd number: 2 8/21
75/12 is greater than 50/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
75/12 = 75 × 7/12 × 7 = 525/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
50/21 = 50 × 4/21 × 4 = 200/84 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 525/84 > 200/84 or 75/12 > 50/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/24 and 50/21 75/12 and 50/42 75/36 and 50/21 75/12 and 50/63 75/60 and 50/21 75/84 and 50/21