Compare 30/54 and 9/81
30/54 is greater than 9/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 54 × 3 = 162,
30/54 = 30 × 3/54 × 3 = 90/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
9/81 = 9 × 2/81 × 2 = 18/162 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 90/162 > 18/162 or 30/54 > 9/81
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