Compare 45/54 and 81/7
1st number: 45/54, 2nd number: 11 4/7
45/54 is smaller than 81/7
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 7 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
45/54 = 45 × 7/54 × 7 = 315/378 - Likewise, for the 2nd fraction, since 7 × 54 = 378,
81/7 = 81 × 54/7 × 54 = 4374/378 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 315/378 < 4374/378 or 45/54 < 81/7
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