Compare 10/63 and 20/45
10/63 is smaller than 20/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
10/63 = 10 × 5/63 × 5 = 50/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
20/45 = 20 × 7/45 × 7 = 140/315 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 50/315 < 140/315 or 10/63 < 20/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/63 and 20/45 10/63 and 40/45 10/63 and 20/90 30/63 and 20/45 10/63 and 60/45 50/63 and 20/45 70/63 and 20/45