Subtract 12/8 from 8/81
1st number: 8/81, 2nd number: 1 4/8
8/81 - 12/8 is -227/162.
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,
12/8 = 12 × 81/8 × 81 = 972/648 - Subtract the two like fractions:
64/648 - 972/648 = 64 - 972/648 = -908/648 - After reducing the fraction, the answer is -227/162
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