Compare 1/81 and 7/16
1/81 is smaller than 7/16
Steps for comparing fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 16 is 1296
Next, find the equivalent fraction of both fractional numbers with denominator 1296 - For the 1st fraction, since 81 × 16 = 1296,
1/81 = 1 × 16/81 × 16 = 16/1296 - Likewise, for the 2nd fraction, since 16 × 81 = 1296,
7/16 = 7 × 81/16 × 81 = 567/1296 - Since the denominators are now the same, the fraction with the bigger numerator is the greater fraction
- 16/1296 < 567/1296 or 1/81 < 7/16
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