Compare 50/12 and 80/45, Which fraction is greater?

Compare 50/12 and 80/45

1^st number: 4 2/12, 2^nd number: 1 35/45

50/12 is greater than 80/45

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180

Next, find the equivalent fraction of both fractional numbers with denominator 180
For the 1st fraction, since 12 × 15 = 180,
50/12 = 50 × 15/12 × 15 = 750/180
Likewise, for the 2nd fraction, since 45 × 4 = 180,
80/45 = 80 × 4/45 × 4 = 320/180
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
750/180 > 320/180 or 50/12 > 80/45

MathStep (Works offline)

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