Answers

Subtract 72/49 from 10/63

1^st number: 10/63, 2^nd number: 1 23/49

10/63 - 72/49 is -578/441.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 49 is 441
   
   Next, find the equivalent fraction of both fractional numbers with denominator 441
2. For the 1st fraction, since 63 × 7 = 441,
   10/63 = 10 × 7/63 × 7 = 70/441
3. Likewise, for the 2nd fraction, since 49 × 9 = 441,
   72/49 = 72 × 9/49 × 9 = 648/441
4. Subtract the two like fractions:
   70/441 - 648/441 = 70 - 648/441 = -578/441

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