Compare 50/40 and 42/27, Which fraction is greater?

Compare 50/40 and 42/27

1^st number: 1 10/40, 2^nd number: 1 15/27

50/40 is smaller than 42/27

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 27 is 1080

Next, find the equivalent fraction of both fractional numbers with denominator 1080
For the 1st fraction, since 40 × 27 = 1080,
50/40 = 50 × 27/40 × 27 = 1350/1080
Likewise, for the 2nd fraction, since 27 × 40 = 1080,
42/27 = 42 × 40/27 × 40 = 1680/1080
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
1350/1080 < 1680/1080 or 50/40 < 42/27

MathStep (Works offline)

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