Compare 5/7 and 9/40
5/7 is greater than 9/40
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
5/7 = 5 × 40/7 × 40 = 200/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
9/40 = 9 × 7/40 × 7 = 63/280 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 200/280 > 63/280 or 5/7 > 9/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/7 and 9/40 5/7 and 18/40 5/14 and 9/40 5/7 and 9/80 15/7 and 9/40 5/7 and 27/40 5/21 and 9/40 25/7 and 9/40 5/7 and 45/40 5/35 and 9/40 35/7 and 9/40 5/7 and 63/40 5/49 and 9/40