Compare 4/81 and 18/9
1st number: 4/81, 2nd number: 2 0/9
4/81 is smaller than 18/9
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,
4/81 = 4 × 1/81 × 1 = 4/81 - Likewise, for the 2nd fraction, since 9 × 9 = 81,
18/9 = 18 × 9/9 × 9 = 162/81 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 4/81 < 162/81 or 4/81 < 18/9
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