Compare 50/9 and 12/21
1st number: 5 5/9, 2nd number: 12/21
50/9 is greater than 12/21
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 21 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
50/9 = 50 × 7/9 × 7 = 350/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
12/21 = 12 × 3/21 × 3 = 36/63 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 350/63 > 36/63 or 50/9 > 12/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/9 and 24/21 50/18 and 12/21 50/9 and 12/42 50/9 and 36/21 50/27 and 12/21 50/9 and 12/63 50/9 and 60/21 50/45 and 12/21 50/9 and 84/21 50/63 and 12/21