Compare 5/81 and 20/9
1st number: 5/81, 2nd number: 2 2/9
5/81 is smaller than 20/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 9 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 81 × 1 = 81,
5/81 = 5 × 1/81 × 1 = 5/81 - Likewise, for the 2nd fraction, since 9 × 9 = 81,
20/9 = 20 × 9/9 × 9 = 180/81 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 5/81 < 180/81 or 5/81 < 20/9
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