Compare 18/54 and 5/45
18/54 is greater than 5/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
18/54 = 18 × 5/54 × 5 = 90/270 - Likewise, for the 2nd fraction, since 45 × 6 = 270,
5/45 = 5 × 6/45 × 6 = 30/270 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/270 > 30/270 or 18/54 > 5/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/54 and 5/45 18/54 and 10/45 18/54 and 5/90 18/54 and 15/45 90/54 and 5/45 18/54 and 25/45 18/54 and 35/45