Compare 81/18 and 18/12
1st number: 4 9/18, 2nd number: 1 6/12
81/18 is greater than 18/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 12 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
81/18 = 81 × 2/18 × 2 = 162/36 - Likewise, for the 2nd fraction, since 12 × 3 = 36,
18/12 = 18 × 3/12 × 3 = 54/36 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 162/36 > 54/36 or 81/18 > 18/12
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