Answers

Subtract 10/81 from 15/4

1^st number: 3 3/4, 2^nd number: 10/81

15/4 - 10/81 is 1175/324.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 81 is 324
   
   Next, find the equivalent fraction of both fractional numbers with denominator 324
2. For the 1st fraction, since 4 × 81 = 324,
   15/4 = 15 × 81/4 × 81 = 1215/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   10/81 = 10 × 4/81 × 4 = 40/324
4. Subtract the two like fractions:
   1215/324 - 40/324 = 1215 - 40/324 = 1175/324
5. In mixed form: 3203/324

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