Compare 81/12 and 30/9
1st number: 6 9/12, 2nd number: 3 3/9
81/12 is greater than 30/9
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
81/12 = 81 × 3/12 × 3 = 243/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
30/9 = 30 × 4/9 × 4 = 120/36 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 243/36 > 120/36 or 81/12 > 30/9
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