Compare 9/81 and 72/4
1st number: 9/81, 2nd number: 18 0/4
9/81 is smaller than 72/4
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 4 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
9/81 = 9 × 4/81 × 4 = 36/324 - Likewise, for the 2nd fraction, since 4 × 81 = 324,
72/4 = 72 × 81/4 × 81 = 5832/324 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 36/324 < 5832/324 or 9/81 < 72/4
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