Compare 63/42 and 4/45
1st number: 1 21/42, 2nd number: 4/45
63/42 is greater than 4/45
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 42 × 15 = 630,
63/42 = 63 × 15/42 × 15 = 945/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
4/45 = 4 × 14/45 × 14 = 56/630 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 945/630 > 56/630 or 63/42 > 4/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/42 and 8/45 63/84 and 4/45 63/42 and 4/90 63/42 and 12/45 63/42 and 20/45 63/42 and 28/45