Answers

Subtract 5/63 from 21/25

21/25 - 5/63 is 1198/1575.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 63 is 1575
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1575
2. For the 1st fraction, since 25 × 63 = 1575,
   21/25 = 21 × 63/25 × 63 = 1323/1575
3. Likewise, for the 2nd fraction, since 63 × 25 = 1575,
   5/63 = 5 × 25/63 × 25 = 125/1575
4. Subtract the two like fractions:
   1323/1575 - 125/1575 = 1323 - 125/1575 = 1198/1575

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