Answers

Subtract 72/81 from 6/4

1^st number: 1 2/4, 2^nd number: 72/81

6/4 - 72/81 is 11/18.

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,
   6/4 = 6 × 81/4 × 81 = 486/324
3. Likewise, for the 2nd fraction, since 81 × 4 = 324,
   72/81 = 72 × 4/81 × 4 = 288/324
4. Subtract the two like fractions:
   486/324 - 288/324 = 486 - 288/324 = 198/324
5. After reducing the fraction, the answer is 11/18

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