Answers

Subtract 40/16 from 1/18

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

1/18 - 40/16 is -22/9.

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,
   1/18 = 1 × 8/18 × 8 = 8/144
3. Likewise, for the 2nd fraction, since 16 × 9 = 144,
   40/16 = 40 × 9/16 × 9 = 360/144
4. Subtract the two like fractions:
   8/144 - 360/144 = 8 - 360/144 = -352/144
5. After reducing the fraction, the answer is -22/9

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