Answers

Subtract 84/9 from 32/21

1^st number: 1 11/21, 2^nd number: 9 3/9

32/21 - 84/9 is -164/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 9 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 21 × 3 = 63,
   32/21 = 32 × 3/21 × 3 = 96/63
3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
   84/9 = 84 × 7/9 × 7 = 588/63
4. Subtract the two like fractions:
   96/63 - 588/63 = 96 - 588/63 = -492/63
5. After reducing the fraction, the answer is -164/21

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