Answers

Subtract 20/49 from 3/75

3/75 - 20/49 is -451/1225.

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,
   3/75 = 3 × 49/75 × 49 = 147/3675
3. Likewise, for the 2nd fraction, since 49 × 75 = 3675,
   20/49 = 20 × 75/49 × 75 = 1500/3675
4. Subtract the two like fractions:
   147/3675 - 1500/3675 = 147 - 1500/3675 = -1353/3675
5. After reducing the fraction, the answer is -451/1225

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