Compare 30/27 and 12/42
1st number: 1 3/27, 2nd number: 12/42
30/27 is greater than 12/42
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 27 × 14 = 378,
30/27 = 30 × 14/27 × 14 = 420/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
12/42 = 12 × 9/42 × 9 = 108/378 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 420/378 > 108/378 or 30/27 > 12/42
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