Compare 28/45 and 3/90
28/45 is greater than 3/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
28/45 = 28 × 2/45 × 2 = 56/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
3/90 = 3 × 1/90 × 1 = 3/90 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 56/90 > 3/90 or 28/45 > 3/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/45 and 3/90 28/45 and 6/90 28/90 and 3/90 84/45 and 3/90 28/45 and 9/90 28/45 and 15/90 28/45 and 21/90