Compare 81/6 and 21/12
1st number: 13 3/6, 2nd number: 1 9/12
81/6 is greater than 21/12
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 6 × 2 = 12,
81/6 = 81 × 2/6 × 2 = 162/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
21/12 = 21 × 1/12 × 1 = 21/12 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 162/12 > 21/12 or 81/6 > 21/12
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