Compare 21/75 and 42/36
1st number: 21/75, 2nd number: 1 6/36
21/75 is smaller than 42/36
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 75 × 12 = 900,
21/75 = 21 × 12/75 × 12 = 252/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
42/36 = 42 × 25/36 × 25 = 1050/900 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 252/900 < 1050/900 or 21/75 < 42/36
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 42/36 21/75 and 84/36 21/75 and 42/72 63/75 and 42/36