Compare 84/81 and 20/54
1st number: 1 3/81, 2nd number: 20/54
84/81 is greater than 20/54
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 54 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 81 × 2 = 162,
84/81 = 84 × 2/81 × 2 = 168/162 - Likewise, for the 2nd fraction, since 54 × 3 = 162,
20/54 = 20 × 3/54 × 3 = 60/162 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 168/162 > 60/162 or 84/81 > 20/54
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