Answers

Subtract 2/81 from 12/8

1^st number: 1 4/8, 2^nd number: 2/81

12/8 - 2/81 is 239/162.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 81 is 648
   
   Next, find the equivalent fraction of both fractional numbers with denominator 648
2. For the 1st fraction, since 8 × 81 = 648,
   12/8 = 12 × 81/8 × 81 = 972/648
3. Likewise, for the 2nd fraction, since 81 × 8 = 648,
   2/81 = 2 × 8/81 × 8 = 16/648
4. Subtract the two like fractions:
   972/648 - 16/648 = 972 - 16/648 = 956/648
5. After reducing the fraction, the answer is 239/162
6. In mixed form: 177/162

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