Answers

Subtract 70/81 from 28/12

1^st number: 2 4/12, 2^nd number: 70/81

28/12 - 70/81 is 119/81.

Steps for subtracting fractions

1. 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
2. For the 1st fraction, since 12 × 27 = 324,
   28/12 = 28 × 27/12 × 27 = 756/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   70/81 = 70 × 4/81 × 4 = 280/324
4. Subtract the two like fractions:
   756/324 - 280/324 = 756 - 280/324 = 476/324
5. After reducing the fraction, the answer is 119/81
6. In mixed form: 138/81

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