Answers

Subtract 8/18 from 8/80

8/80 - 8/18 is -31/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 18 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 80 × 9 = 720,
   8/80 = 8 × 9/80 × 9 = 72/720
3. Likewise, for the 2nd fraction, since 18 × 40 = 720,
   8/18 = 8 × 40/18 × 40 = 320/720
4. Subtract the two like fractions:
   72/720 - 320/720 = 72 - 320/720 = -248/720
5. After reducing the fraction, the answer is -31/90

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