Compare 2/45 and 6/81
2/45 is smaller than 6/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 81 is 405
Next, find the equivalent fraction of both fractional numbers with denominator 405 - For the 1st fraction, since 45 × 9 = 405,
2/45 = 2 × 9/45 × 9 = 18/405 - Likewise, for the 2nd fraction, since 81 × 5 = 405,
6/81 = 6 × 5/81 × 5 = 30/405 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 18/405 < 30/405 or 2/45 < 6/81
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