Compare 14/42 and 21/5, Which fraction is greater?

Compare 14/42 and 21/5

1^st number: 14/42, 2^nd number: 4 1/5

14/42 is smaller than 21/5

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
14/42 = 14 × 5/42 × 5 = 70/210
Likewise, for the 2nd fraction, since 5 × 42 = 210,
21/5 = 21 × 42/5 × 42 = 882/210
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
70/210 < 882/210 or 14/42 < 21/5

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