Compare 84/81 and 5/15
1st number: 1 3/81, 2nd number: 5/15
84/81 is greater than 5/15
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 15 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 81 × 5 = 405,
84/81 = 84 × 5/81 × 5 = 420/405 - Likewise, for the 2nd fraction, since 15 × 27 = 405,
5/15 = 5 × 27/15 × 27 = 135/405 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 420/405 > 135/405 or 84/81 > 5/15
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