Compare 40/45 and 9/40
40/45 is greater than 9/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
40/45 = 40 × 8/45 × 8 = 320/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
9/40 = 9 × 9/40 × 9 = 81/360 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 320/360 > 81/360 or 40/45 > 9/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45 and 9/40 40/45 and 18/40 40/90 and 9/40 40/45 and 9/80 40/45 and 27/40 40/45 and 45/40 40/45 and 63/40