Compare 5/4 and 18/90
1st number: 1 1/4, 2nd number: 18/90
5/4 is greater than 18/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
5/4 = 5 × 45/4 × 45 = 225/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
18/90 = 18 × 2/90 × 2 = 36/180 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 225/180 > 36/180 or 5/4 > 18/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/4 and 18/90 5/4 and 36/90 5/8 and 18/90 15/4 and 18/90 5/4 and 54/90 5/12 and 18/90 25/4 and 18/90 5/20 and 18/90 35/4 and 18/90 5/28 and 18/90