Answers

Subtract 70/81 from 54/12

1^st number: 4 6/12, 2^nd number: 70/81

54/12 - 70/81 is 589/162.

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,
   54/12 = 54 × 27/12 × 27 = 1458/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   70/81 = 70 × 4/81 × 4 = 280/324
4. Subtract the two like fractions:
   1458/324 - 280/324 = 1458 - 280/324 = 1178/324
5. After reducing the fraction, the answer is 589/162
6. In mixed form: 3103/162

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