Answers

Subtract 54/21 from 2/6

1^st number: 2/6, 2^nd number: 2 12/21

2/6 - 54/21 is -47/21.

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,
   2/6 = 2 × 7/6 × 7 = 14/42
3. Likewise, for the 2nd fraction, since 21 × 2 = 42,
   54/21 = 54 × 2/21 × 2 = 108/42
4. Subtract the two like fractions:
   14/42 - 108/42 = 14 - 108/42 = -94/42
5. After reducing the fraction, the answer is -47/21

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