Compare 21/75 and 12/27
21/75 is smaller than 12/27
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 27 is 675
Next, find the equivalent fraction of both fractional numbers with denominator 675 - For the 1st fraction, since 75 × 9 = 675,
21/75 = 21 × 9/75 × 9 = 189/675 - Likewise, for the 2nd fraction, since 27 × 25 = 675,
12/27 = 12 × 25/27 × 25 = 300/675 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 189/675 < 300/675 or 21/75 < 12/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/75 and 12/27 21/75 and 24/27 21/75 and 12/54 63/75 and 12/27 21/75 and 36/27 21/75 and 12/81 21/75 and 60/27 21/75 and 84/27