Answers

Subtract 28/49 from 25/75

25/75 - 28/49 is -5/21.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 49 is 3675
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3675
2. For the 1st fraction, since 75 × 49 = 3675,
   25/75 = 25 × 49/75 × 49 = 1225/3675
3. Likewise, for the 2nd fraction, since 49 × 75 = 3675,
   28/49 = 28 × 75/49 × 75 = 2100/3675
4. Subtract the two like fractions:
   1225/3675 - 2100/3675 = 1225 - 2100/3675 = -875/3675
5. After reducing the fraction, the answer is -5/21

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