Answers

Subtract 21/6 from 6/84

1^st number: 6/84, 2^nd number: 3 3/6

6/84 - 21/6 is -24/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 6 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   6/84 = 6 × 1/84 × 1 = 6/84
3. Likewise, for the 2nd fraction, since 6 × 14 = 84,
   21/6 = 21 × 14/6 × 14 = 294/84
4. Subtract the two like fractions:
   6/84 - 294/84 = 6 - 294/84 = -288/84
5. After reducing the fraction, the answer is -24/7

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