Compare 3/18 and 1/45
3/18 is greater than 1/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
3/18 = 3 × 5/18 × 5 = 15/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
1/45 = 1 × 2/45 × 2 = 2/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 15/90 > 2/90 or 3/18 > 1/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/18 and 1/45 3/18 and 2/45 3/36 and 1/45 3/18 and 1/90 9/18 and 1/45 3/18 and 3/45 3/54 and 1/45 15/18 and 1/45 3/18 and 5/45 3/90 and 1/45 21/18 and 1/45 3/18 and 7/45