Compare 28/90 and 3/72
28/90 is greater than 3/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
28/90 = 28 × 4/90 × 4 = 112/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
3/72 = 3 × 5/72 × 5 = 15/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 112/360 > 15/360 or 28/90 > 3/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/90 and 3/72 28/90 and 6/72 84/90 and 3/72 28/90 and 9/72 28/90 and 15/72 28/90 and 21/72