Answers

Subtract 84/45 from 8/63

1^st number: 8/63, 2^nd number: 1 39/45

8/63 - 84/45 is -548/315.

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,
   8/63 = 8 × 5/63 × 5 = 40/315
3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
   84/45 = 84 × 7/45 × 7 = 588/315
4. Subtract the two like fractions:
   40/315 - 588/315 = 40 - 588/315 = -548/315

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