Compare 2/72 and 81/10, Which fraction is greater?

Compare 2/72 and 81/10

1^st number: 2/72, 2^nd number: 8 1/10

2/72 is smaller than 81/10

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 10 is 360

Next, find the equivalent fraction of both fractional numbers with denominator 360
For the 1st fraction, since 72 × 5 = 360,
2/72 = 2 × 5/72 × 5 = 10/360
Likewise, for the 2nd fraction, since 10 × 36 = 360,
81/10 = 81 × 36/10 × 36 = 2916/360
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
10/360 < 2916/360 or 2/72 < 81/10

MathStep (Works offline)

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