Compare 4/72 and 1/90
4/72 is greater than 1/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
4/72 = 4 × 5/72 × 5 = 20/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
1/90 = 1 × 4/90 × 4 = 4/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 20/360 > 4/360 or 4/72 > 1/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/72 and 1/90 4/72 and 2/90 12/72 and 1/90 4/72 and 3/90 20/72 and 1/90 4/72 and 5/90 28/72 and 1/90 4/72 and 7/90