Answers

Subtract 80/84 from 50/63

50/63 - 80/84 is -10/63.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 84 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 63 × 4 = 252,
   50/63 = 50 × 4/63 × 4 = 200/252
3. Likewise, for the 2nd fraction, since 84 × 3 = 252,
   80/84 = 80 × 3/84 × 3 = 240/252
4. Subtract the two like fractions:
   200/252 - 240/252 = 200 - 240/252 = -40/252
5. After reducing the fraction, the answer is -10/63

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