Compare 30/81 and 12/9
1st number: 30/81, 2nd number: 1 3/9
30/81 is smaller than 12/9
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,
30/81 = 30 × 1/81 × 1 = 30/81 - Likewise, for the 2nd fraction, since 9 × 9 = 81,
12/9 = 12 × 9/9 × 9 = 108/81 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 30/81 < 108/81 or 30/81 < 12/9
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