Compare 50/40 and 42/63, Which fraction is greater?

Compare 50/40 and 42/63

1^st number: 1 10/40, 2^nd number: 42/63

50/40 is greater than 42/63

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 63 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 40 × 63 = 2520,
50/40 = 50 × 63/40 × 63 = 3150/2520
Likewise, for the 2nd fraction, since 63 × 40 = 2520,
42/63 = 42 × 40/63 × 40 = 1680/2520
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
3150/2520 > 1680/2520 or 50/40 > 42/63

MathStep (Works offline)

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