Answers

Subtract 8/42 from 9/50

9/50 - 8/42 is -11/1050.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 50 and 42 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 50 × 21 = 1050,
   9/50 = 9 × 21/50 × 21 = 189/1050
3. Likewise, for the 2nd fraction, since 42 × 25 = 1050,
   8/42 = 8 × 25/42 × 25 = 200/1050
4. Subtract the two like fractions:
   189/1050 - 200/1050 = 189 - 200/1050 = -11/1050

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