Answers

Subtract 7/63 from 63/75

63/75 - 7/63 is 164/225.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 63 is 1575
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1575
2. For the 1st fraction, since 75 × 21 = 1575,
   63/75 = 63 × 21/75 × 21 = 1323/1575
3. Likewise, for the 2nd fraction, since 63 × 25 = 1575,
   7/63 = 7 × 25/63 × 25 = 175/1575
4. Subtract the two like fractions:
   1323/1575 - 175/1575 = 1323 - 175/1575 = 1148/1575
5. After reducing the fraction, the answer is 164/225

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