Compare 9/40 and 6/90
9/40 is greater than 6/90
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
9/40 = 9 × 9/40 × 9 = 81/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
6/90 = 6 × 4/90 × 4 = 24/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 81/360 > 24/360 or 9/40 > 6/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/40 and 6/90 9/40 and 12/90 9/80 and 6/90 27/40 and 6/90 9/40 and 18/90 45/40 and 6/90 9/40 and 30/90 63/40 and 6/90 9/40 and 42/90