Compare 45/81 and 81/7
1st number: 45/81, 2nd number: 11 4/7
45/81 is smaller than 81/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 7 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 81 × 7 = 567,
45/81 = 45 × 7/81 × 7 = 315/567 - Likewise, for the 2nd fraction, since 7 × 81 = 567,
81/7 = 81 × 81/7 × 81 = 6561/567 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 315/567 < 6561/567 or 45/81 < 81/7
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