Answers

Subtract 28/16 from 49/63

1^st number: 49/63, 2^nd number: 1 12/16

49/63 - 28/16 is -35/36.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 16 is 1008
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1008
2. For the 1st fraction, since 63 × 16 = 1008,
   49/63 = 49 × 16/63 × 16 = 784/1008
3. Likewise, for the 2nd fraction, since 16 × 63 = 1008,
   28/16 = 28 × 63/16 × 63 = 1764/1008
4. Subtract the two like fractions:
   784/1008 - 1764/1008 = 784 - 1764/1008 = -980/1008
5. After reducing the fraction, the answer is -35/36

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