Compare 40/45 and 75/63
1st number: 40/45, 2nd number: 1 12/63
40/45 is smaller than 75/63
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 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 63 × 5 = 315,
75/63 = 75 × 5/63 × 5 = 375/315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 280/315 < 375/315 or 40/45 < 75/63
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 75/63 40/90 and 75/63