Subtract 42/6 from 35/81
1st number: 35/81, 2nd number: 7 0/6
35/81 - 42/6 is -532/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 81 and 6 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 81 × 2 = 162,
35/81 = 35 × 2/81 × 2 = 70/162 - Likewise, for the 2nd fraction, since 6 × 27 = 162,
42/6 = 42 × 27/6 × 27 = 1134/162 - Subtract the two like fractions:
70/162 - 1134/162 = 70 - 1134/162 = -1064/162 - After reducing the fraction, the answer is -532/81
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