Compare 2/70 and 50/21, Which fraction is greater?

Compare 2/70 and 50/21

1^st number: 2/70, 2^nd number: 2 8/21

2/70 is smaller than 50/21

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 21 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 70 × 3 = 210,
2/70 = 2 × 3/70 × 3 = 6/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
50/21 = 50 × 10/21 × 10 = 500/210
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
6/210 < 500/210 or 2/70 < 50/21

MathStep (Works offline)

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