Compare 40/18 and 2/45
1st number: 2 4/18, 2nd number: 2/45
40/18 is greater than 2/45
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,
40/18 = 40 × 5/18 × 5 = 200/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
2/45 = 2 × 2/45 × 2 = 4/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 200/90 > 4/90 or 40/18 > 2/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18 and 2/45 40/18 and 4/45 40/36 and 2/45 40/18 and 2/90 40/18 and 6/45 40/54 and 2/45 40/18 and 10/45 40/90 and 2/45 40/18 and 14/45