Compare 21/6 and 6/81
1st number: 3 3/6, 2nd number: 6/81
21/6 is greater than 6/81
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 6 × 27 = 162,
21/6 = 21 × 27/6 × 27 = 567/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
6/81 = 6 × 2/81 × 2 = 12/162 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 567/162 > 12/162 or 21/6 > 6/81
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