Compare 9/5 and 90/72
1st number: 1 4/5, 2nd number: 1 18/72
9/5 is greater than 90/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 5 × 72 = 360,
9/5 = 9 × 72/5 × 72 = 648/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
90/72 = 90 × 5/72 × 5 = 450/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 648/360 > 450/360 or 9/5 > 90/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/5 and 90/72 9/10 and 90/72 27/5 and 90/72 9/15 and 90/72 45/5 and 90/72 9/25 and 90/72 63/5 and 90/72 9/35 and 90/72