Answers

Subtract 80/63 from 2/84

1^st number: 2/84, 2^nd number: 1 17/63

2/84 - 80/63 is -157/126.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 63 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 84 × 3 = 252,
   2/84 = 2 × 3/84 × 3 = 6/252
3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
   80/63 = 80 × 4/63 × 4 = 320/252
4. Subtract the two like fractions:
   6/252 - 320/252 = 6 - 320/252 = -314/252
5. After reducing the fraction, the answer is -157/126

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