Answers

Subtract 75/63 from 49/72

1^st number: 49/72, 2^nd number: 1 12/63

49/72 - 75/63 is -257/504.

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,
   49/72 = 49 × 7/72 × 7 = 343/504
3. Likewise, for the 2nd fraction, since 63 × 8 = 504,
   75/63 = 75 × 8/63 × 8 = 600/504
4. Subtract the two like fractions:
   343/504 - 600/504 = 343 - 600/504 = -257/504

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