Compare 70/27 and 1/21, Which fraction is greater?

Compare 70/27 and 1/21

1^st number: 2 16/27, 2^nd number: 1/21

70/27 is greater than 1/21

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 21 is 189

Next, find the equivalent fraction of both fractional numbers with denominator 189
For the 1st fraction, since 27 × 7 = 189,
70/27 = 70 × 7/27 × 7 = 490/189
Likewise, for the 2nd fraction, since 21 × 9 = 189,
1/21 = 1 × 9/21 × 9 = 9/189
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
490/189 > 9/189 or 70/27 > 1/21

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