Answers

Subtract 63/28 from 15/63

1^st number: 15/63, 2^nd number: 2 7/28

15/63 - 63/28 is -169/84.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 28 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 63 × 4 = 252,
   15/63 = 15 × 4/63 × 4 = 60/252
3. Likewise, for the 2nd fraction, since 28 × 9 = 252,
   63/28 = 63 × 9/28 × 9 = 567/252
4. Subtract the two like fractions:
   60/252 - 567/252 = 60 - 567/252 = -507/252
5. After reducing the fraction, the answer is -169/84

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