Compare 6/70 and 21/36, Which fraction is greater?

Compare 6/70 and 21/36

6/70 is smaller than 21/36

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 36 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 70 × 18 = 1260,
6/70 = 6 × 18/70 × 18 = 108/1260
Likewise, for the 2nd fraction, since 36 × 35 = 1260,
21/36 = 21 × 35/36 × 35 = 735/1260
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
108/1260 < 735/1260 or 6/70 < 21/36

MathStep (Works offline)

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