Answers

Subtract 15/81 from 63/7

1^st number: 9 0/7, 2^nd number: 15/81

63/7 - 15/81 is 238/27.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 81 is 567
   
   Next, find the equivalent fraction of both fractional numbers with denominator 567
2. For the 1st fraction, since 7 × 81 = 567,
   63/7 = 63 × 81/7 × 81 = 5103/567
3. Likewise, for the 2nd fraction, since 81 × 7 = 567,
   15/81 = 15 × 7/81 × 7 = 105/567
4. Subtract the two like fractions:
   5103/567 - 105/567 = 5103 - 105/567 = 4998/567
5. After reducing the fraction, the answer is 238/27
6. In mixed form: 822/27

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