Compare 1/5 and 21/14, Which fraction is greater?

Compare 1/5 and 21/14

1^st number: 1/5, 2^nd number: 1 7/14

1/5 is smaller than 21/14

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 14 is 70

Next, find the equivalent fraction of both fractional numbers with denominator 70
For the 1st fraction, since 5 × 14 = 70,
1/5 = 1 × 14/5 × 14 = 14/70
Likewise, for the 2nd fraction, since 14 × 5 = 70,
21/14 = 21 × 5/14 × 5 = 105/70
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
14/70 < 105/70 or 1/5 < 21/14

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