Answers

Subtract 10/7 from 9/63

1^st number: 9/63, 2^nd number: 1 3/7

9/63 - 10/7 is -9/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 7 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 63 × 1 = 63,
   9/63 = 9 × 1/63 × 1 = 9/63
3. Likewise, for the 2nd fraction, since 7 × 9 = 63,
   10/7 = 10 × 9/7 × 9 = 90/63
4. Subtract the two like fractions:
   9/63 - 90/63 = 9 - 90/63 = -81/63
5. After reducing the fraction, the answer is -9/7

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