Compare 81/12 and 8/20
1st number: 6 9/12, 2nd number: 8/20
81/12 is greater than 8/20
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
81/12 = 81 × 5/12 × 5 = 405/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
8/20 = 8 × 3/20 × 3 = 24/60 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 405/60 > 24/60 or 81/12 > 8/20
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