Subtract 8/81 from 98/12, Solve 8 2/12

Subtract 8/81 from 98/12

1^st number: 8 2/12, 2^nd number: 8/81

98/12 - 8/81 is 1307/162.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 81 is 324

Next, find the equivalent fraction of both fractional numbers with denominator 324
For the 1st fraction, since 12 × 27 = 324,
98/12 = 98 × 27/12 × 27 = 2646/324
Likewise, for the 2nd fraction, since 81 × 4 = 324,
8/81 = 8 × 4/81 × 4 = 32/324
Subtract the two like fractions:
2646/324 - 32/324 = 2646 - 32/324 = 2614/324
After reducing the fraction, the answer is 1307/162
In mixed form: 811/162

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