Compare 50/63 and 40/30, Which fraction is greater?

Compare 50/63 and 40/30

1^st number: 50/63, 2^nd number: 1 10/30

50/63 is smaller than 40/30

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 30 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 63 × 10 = 630,
50/63 = 50 × 10/63 × 10 = 500/630
Likewise, for the 2nd fraction, since 30 × 21 = 630,
40/30 = 40 × 21/30 × 21 = 840/630
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
500/630 < 840/630 or 50/63 < 40/30

MathStep (Works offline)

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