Compare 21/70 and 21/3, Which fraction is greater?

Compare 21/70 and 21/3

1^st number: 21/70, 2^nd number: 7 0/3

21/70 is smaller than 21/3

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 70 × 3 = 210,
21/70 = 21 × 3/70 × 3 = 63/210
Likewise, for the 2nd fraction, since 3 × 70 = 210,
21/3 = 21 × 70/3 × 70 = 1470/210
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
63/210 < 1470/210 or 21/70 < 21/3

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