Answers

Subtract 25/84 from 10/75

10/75 - 25/84 is -23/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 84 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 75 × 28 = 2100,
   10/75 = 10 × 28/75 × 28 = 280/2100
3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
   25/84 = 25 × 25/84 × 25 = 625/2100
4. Subtract the two like fractions:
   280/2100 - 625/2100 = 280 - 625/2100 = -345/2100
5. After reducing the fraction, the answer is -23/140

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