Subtract 84/8 from 8/81
1st number: 8/81, 2nd number: 10 4/8
8/81 - 84/8 is -1685/162.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 8 is 648
Next, find the equivalent fraction of both fractional numbers with denominator 648 - For the 1st fraction, since 81 × 8 = 648,
8/81 = 8 × 8/81 × 8 = 64/648 - Likewise, for the 2nd fraction, since 8 × 81 = 648,
84/8 = 84 × 81/8 × 81 = 6804/648 - Subtract the two like fractions:
64/648 - 6804/648 = 64 - 6804/648 = -6740/648 - After reducing the fraction, the answer is -1685/162
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