Compare 40/45 and 3/7
40/45 is greater than 3/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 7 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
40/45 = 40 × 7/45 × 7 = 280/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
3/7 = 3 × 45/7 × 45 = 135/315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 280/315 > 135/315 or 40/45 > 3/7
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 3/7 40/45 and 6/7 40/90 and 3/7 40/45 and 3/14 40/45 and 9/7 40/45 and 3/21 40/45 and 15/7 40/45 and 3/35 40/45 and 21/7 40/45 and 3/49