Answers

Subtract 4/72 from 5/63

5/63 - 4/72 is 1/42.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 72 is 504
   
   Next, find the equivalent fraction of both fractional numbers with denominator 504
2. For the 1st fraction, since 63 × 8 = 504,
   5/63 = 5 × 8/63 × 8 = 40/504
3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
   4/72 = 4 × 7/72 × 7 = 28/504
4. Subtract the two like fractions:
   40/504 - 28/504 = 40 - 28/504 = 12/504
5. After reducing the fraction, the answer is 1/42

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