Answers

Subtract 20/16 from 8/18

1^st number: 8/18, 2^nd number: 1 4/16

8/18 - 20/16 is -29/36.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 16 is 144
   
   Next, find the equivalent fraction of both fractional numbers with denominator 144
2. For the 1st fraction, since 18 × 8 = 144,
   8/18 = 8 × 8/18 × 8 = 64/144
3. Likewise, for the 2nd fraction, since 16 × 9 = 144,
   20/16 = 20 × 9/16 × 9 = 180/144
4. Subtract the two like fractions:
   64/144 - 180/144 = 64 - 180/144 = -116/144
5. After reducing the fraction, the answer is -29/36

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