Answers

Subtract 25/63 from 3/72

3/72 - 25/63 is -179/504.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 63 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 72 × 7 = 504,
   3/72 = 3 × 7/72 × 7 = 21/504
3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
   25/63 = 25 × 8/63 × 8 = 200/504
4. Subtract the two like fractions:
   21/504 - 200/504 = 21 - 200/504 = -179/504

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