Answers

Subtract 54/45 from 50/63

1^st number: 50/63, 2^nd number: 1 9/45

50/63 - 54/45 is -128/315.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 45 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 63 × 5 = 315,
   50/63 = 50 × 5/63 × 5 = 250/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   54/45 = 54 × 7/45 × 7 = 378/315
4. Subtract the two like fractions:
   250/315 - 378/315 = 250 - 378/315 = -128/315

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