Compare 5/81 and 72/12
1st number: 5/81, 2nd number: 6 0/12
5/81 is smaller than 72/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 12 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 81 × 4 = 324,
5/81 = 5 × 4/81 × 4 = 20/324 - Likewise, for the 2nd fraction, since 12 × 27 = 324,
72/12 = 72 × 27/12 × 27 = 1944/324 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 20/324 < 1944/324 or 5/81 < 72/12
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