Answers

Subtract 54/45 from 48/63

1^st number: 48/63, 2^nd number: 1 9/45

48/63 - 54/45 is -46/105.

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,
   48/63 = 48 × 5/63 × 5 = 240/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   54/45 = 54 × 7/45 × 7 = 378/315
4. Subtract the two like fractions:
   240/315 - 378/315 = 240 - 378/315 = -138/315
5. After reducing the fraction, the answer is -46/105

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