Compare 12/3 and 42/81
1st number: 4 0/3, 2nd number: 42/81
12/3 is greater than 42/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 3 × 27 = 81,
12/3 = 12 × 27/3 × 27 = 324/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
42/81 = 42 × 1/81 × 1 = 42/81 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 324/81 > 42/81 or 12/3 > 42/81
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