Answers

Subtract 63/4 from 49/10

1^st number: 4 9/10, 2^nd number: 15 3/4

49/10 - 63/4 is -217/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 4 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 10 × 2 = 20,
   49/10 = 49 × 2/10 × 2 = 98/20
3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
   63/4 = 63 × 5/4 × 5 = 315/20
4. Subtract the two like fractions:
   98/20 - 315/20 = 98 - 315/20 = -217/20

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