Compare 90/6 and 21/12
1st number: 15 0/6, 2nd number: 1 9/12
90/6 is greater than 21/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 6 × 2 = 12,
90/6 = 90 × 2/6 × 2 = 180/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
21/12 = 21 × 1/12 × 1 = 21/12 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 180/12 > 21/12 or 90/6 > 21/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6 and 42/12 90/12 and 21/12 90/6 and 21/24 90/6 and 63/12 90/18 and 21/12 90/6 and 21/36 90/30 and 21/12 90/6 and 21/60 90/42 and 21/12 90/6 and 21/84