Compare 90/45 and 18/27
1st number: 2 0/45, 2nd number: 18/27
90/45 is greater than 18/27
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 45 × 3 = 135,
90/45 = 90 × 3/45 × 3 = 270/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
18/27 = 18 × 5/27 × 5 = 90/135 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 270/135 > 90/135 or 90/45 > 18/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/45 and 36/27 90/45 and 18/54 90/45 and 54/27 90/45 and 18/81 90/45 and 90/27