Answers

Subtract 63/16 from 6/20

1^st number: 6/20, 2^nd number: 3 15/16

6/20 - 63/16 is -291/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 16 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 20 × 4 = 80,
   6/20 = 6 × 4/20 × 4 = 24/80
3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
   63/16 = 63 × 5/16 × 5 = 315/80
4. Subtract the two like fractions:
   24/80 - 315/80 = 24 - 315/80 = -291/80

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