Answers

Subtract 9/80 from 18/49

18/49 - 9/80 is 999/3920.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 80 is 3920
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3920
2. For the 1st fraction, since 49 × 80 = 3920,
   18/49 = 18 × 80/49 × 80 = 1440/3920
3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
   9/80 = 9 × 49/80 × 49 = 441/3920
4. Subtract the two like fractions:
   1440/3920 - 441/3920 = 1440 - 441/3920 = 999/3920

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