Compare 1/50 and 4/72, Which fraction is greater?

Compare 1/50 and 4/72

1/50 is smaller than 4/72

Find the least common denominator or LCM of the two denominators:
LCM of 50 and 72 is 1800

Next, find the equivalent fraction of both fractional numbers with denominator 1800
For the 1st fraction, since 50 × 36 = 1800,
1/50 = 1 × 36/50 × 36 = 36/1800
Likewise, for the 2nd fraction, since 72 × 25 = 1800,
4/72 = 4 × 25/72 × 25 = 100/1800
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
36/1800 < 100/1800 or 1/50 < 4/72

MathStep (Works offline)

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