Answers

Subtract 84/18 from 20/9

1^st number: 2 2/9, 2^nd number: 4 12/18

20/9 - 84/18 is -22/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 18 is 18
   
   Next, find the equivalent fraction of both fractional numbers with denominator 18
2. For the 1st fraction, since 9 × 2 = 18,
   20/9 = 20 × 2/9 × 2 = 40/18
3. Likewise, for the 2nd fraction, since 18 × 1 = 18,
   84/18 = 84 × 1/18 × 1 = 84/18
4. Subtract the two like fractions:
   40/18 - 84/18 = 40 - 84/18 = -44/18
5. After reducing the fraction, the answer is -22/9

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