Answers

Subtract 54/49 from 28/63

1^st number: 28/63, 2^nd number: 1 5/49

28/63 - 54/49 is -290/441.

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,
   28/63 = 28 × 7/63 × 7 = 196/441
3. Likewise, for the 2nd fraction, since 49 × 9 = 441,
   54/49 = 54 × 9/49 × 9 = 486/441
4. Subtract the two like fractions:
   196/441 - 486/441 = 196 - 486/441 = -290/441

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