Compare 42/10 and 18/30, Which fraction is greater?

Compare 42/10 and 18/30

1^st number: 4 2/10, 2^nd number: 18/30

42/10 is greater than 18/30

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 30 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 10 × 3 = 30,
42/10 = 42 × 3/10 × 3 = 126/30
Likewise, for the 2nd fraction, since 30 × 1 = 30,
18/30 = 18 × 1/30 × 1 = 18/30
Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
126/30 > 18/30 or 42/10 > 18/30

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