Compare 9/12 and 81/72
1st number: 9/12, 2nd number: 1 9/72
9/12 is smaller than 81/72
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 12 × 6 = 72,
9/12 = 9 × 6/12 × 6 = 54/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
81/72 = 81 × 1/72 × 1 = 81/72 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 54/72 < 81/72 or 9/12 < 81/72
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