Compare 45/42 and 63/7
1st number: 1 3/42, 2nd number: 9 0/7
45/42 is smaller than 63/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
45/42 = 45 × 1/42 × 1 = 45/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
63/7 = 63 × 6/7 × 6 = 378/42 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 45/42 < 378/42 or 45/42 < 63/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/42 and 63/7 45/84 and 63/7 45/42 and 63/14 45/42 and 63/21 45/42 and 63/35 45/42 and 63/49