Compare 7/42 and 2/10, Which fraction is greater?

Compare 7/42 and 2/10

7/42 is smaller than 2/10

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
7/42 = 7 × 5/42 × 5 = 35/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
2/10 = 2 × 21/10 × 21 = 42/210
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
35/210 < 42/210 or 7/42 < 2/10

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