Compare 15/75 and 1/45
15/75 is greater than 1/45
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,
1/45 = 1 × 5/45 × 5 = 5/225 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 45/225 > 5/225 or 15/75 > 1/45
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 1/45 15/75 and 2/45 15/75 and 1/90 45/75 and 1/45 15/75 and 3/45 15/75 and 5/45 15/75 and 7/45