Compare 40/63 and 14/42, Which fraction is greater?

Compare 40/63 and 14/42

40/63 is greater than 14/42

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 42 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 63 × 2 = 126,
40/63 = 40 × 2/63 × 2 = 80/126
Likewise, for the 2nd fraction, since 42 × 3 = 126,
14/42 = 14 × 3/42 × 3 = 42/126
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
80/126 > 42/126 or 40/63 > 14/42

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad