Answers

Subtract 16/6 from 21/8

1^st number: 2 5/8, 2^nd number: 2 4/6

21/8 - 16/6 is -1/24.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 6 is 24
   
   Next, find the equivalent fraction of both fractional numbers with denominator 24
2. For the 1st fraction, since 8 × 3 = 24,
   21/8 = 21 × 3/8 × 3 = 63/24
3. Likewise, for the 2nd fraction, since 6 × 4 = 24,
   16/6 = 16 × 4/6 × 4 = 64/24
4. Subtract the two like fractions:
   63/24 - 64/24 = 63 - 64/24 = -1/24

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