Answers

Subtract 16/21 from 27/6

1^st number: 4 3/6, 2^nd number: 16/21

27/6 - 16/21 is 157/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 6 and 21 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 6 × 7 = 42,
   27/6 = 27 × 7/6 × 7 = 189/42
3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
   16/21 = 16 × 2/21 × 2 = 32/42
4. Subtract the two like fractions:
   189/42 - 32/42 = 189 - 32/42 = 157/42
5. In mixed form: 331/42

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