Compare 21/75 and 45/6
1st number: 21/75, 2nd number: 7 3/6
21/75 is smaller than 45/6
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 6 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
21/75 = 21 × 2/75 × 2 = 42/150 - Likewise, for the 2nd fraction, since 6 × 25 = 150,
45/6 = 45 × 25/6 × 25 = 1125/150 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 42/150 < 1125/150 or 21/75 < 45/6
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 45/6 21/75 and 90/6 21/75 and 45/12 63/75 and 45/6 21/75 and 45/18 21/75 and 45/30 21/75 and 45/42