Answers

Subtract 63/8 from 20/6

1^st number: 3 2/6, 2^nd number: 7 7/8

20/6 - 63/8 is -109/24.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 8 is 24
   
   Next, find the equivalent fraction of both fractional numbers with denominator 24
2. For the 1st fraction, since 6 × 4 = 24,
   20/6 = 20 × 4/6 × 4 = 80/24
3. Likewise, for the 2nd fraction, since 8 × 3 = 24,
   63/8 = 63 × 3/8 × 3 = 189/24
4. Subtract the two like fractions:
   80/24 - 189/24 = 80 - 189/24 = -109/24

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