Compare 12/81 and 42/9
1st number: 12/81, 2nd number: 4 6/9
12/81 is smaller than 42/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 9 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 81 × 1 = 81,
12/81 = 12 × 1/81 × 1 = 12/81 - Likewise, for the 2nd fraction, since 9 × 9 = 81,
42/9 = 42 × 9/9 × 9 = 378/81 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 12/81 < 378/81 or 12/81 < 42/9
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