Answers

Subtract 63/75 from 7/20

7/20 - 63/75 is -49/100.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 75 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 20 × 15 = 300,
   7/20 = 7 × 15/20 × 15 = 105/300
3. Likewise, for the 2nd fraction, since 75 × 4 = 300,
   63/75 = 63 × 4/75 × 4 = 252/300
4. Subtract the two like fractions:
   105/300 - 252/300 = 105 - 252/300 = -147/300
5. After reducing the fraction, the answer is -49/100

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