Answers

Subtract 20/18 from 8/12

1^st number: 8/12, 2^nd number: 1 2/18

8/12 - 20/18 is -4/9.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 18 is 36
   
   Next, find the equivalent fraction of both fractional numbers with denominator 36
2. For the 1st fraction, since 12 × 3 = 36,
   8/12 = 8 × 3/12 × 3 = 24/36
3. Likewise, for the 2nd fraction, since 18 × 2 = 36,
   20/18 = 20 × 2/18 × 2 = 40/36
4. Subtract the two like fractions:
   24/36 - 40/36 = 24 - 40/36 = -16/36
5. After reducing the fraction, the answer is -4/9

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