Compare 15/75 and 10/45
15/75 is smaller than 10/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
15/75 = 15 × 3/75 × 3 = 45/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
10/45 = 10 × 5/45 × 5 = 50/225 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 45/225 < 50/225 or 15/75 < 10/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/75 and 10/45 15/75 and 20/45 15/75 and 10/90 45/75 and 10/45 15/75 and 30/45 15/75 and 50/45 15/75 and 70/45