Compare 21/15 and 8/50, Which fraction is greater?

Compare 21/15 and 8/50

1^st number: 1 6/15, 2^nd number: 8/50

21/15 is greater than 8/50

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 50 is 150

Next, find the equivalent fraction of both fractional numbers with denominator 150
For the 1st fraction, since 15 × 10 = 150,
21/15 = 21 × 10/15 × 10 = 210/150
Likewise, for the 2nd fraction, since 50 × 3 = 150,
8/50 = 8 × 3/50 × 3 = 24/150
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
210/150 > 24/150 or 21/15 > 8/50

MathStep (Works offline)

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