Compare 30/81 and 1/15
30/81 is greater than 1/15
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,
30/81 = 30 × 5/81 × 5 = 150/405 - Likewise, for the 2nd fraction, since 15 × 27 = 405,
1/15 = 1 × 27/15 × 27 = 27/405 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 150/405 > 27/405 or 30/81 > 1/15
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