Answers

Subtract 63/9 from 15/7

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

15/7 - 63/9 is -34/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 9 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 7 × 9 = 63,
   15/7 = 15 × 9/7 × 9 = 135/63
3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
   63/9 = 63 × 7/9 × 7 = 441/63
4. Subtract the two like fractions:
   135/63 - 441/63 = 135 - 441/63 = -306/63
5. After reducing the fraction, the answer is -34/7

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