Answers

Subtract 7/75 from 21/63

21/63 - 7/75 is 6/25.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 75 is 1575
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1575
2. For the 1st fraction, since 63 × 25 = 1575,
   21/63 = 21 × 25/63 × 25 = 525/1575
3. Likewise, for the 2nd fraction, since 75 × 21 = 1575,
   7/75 = 7 × 21/75 × 21 = 147/1575
4. Subtract the two like fractions:
   525/1575 - 147/1575 = 525 - 147/1575 = 378/1575
5. After reducing the fraction, the answer is 6/25

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