Answers

Subtract 84/70 from 8/63

1^st number: 8/63, 2^nd number: 1 14/70

8/63 - 84/70 is -338/315.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   8/63 = 8 × 10/63 × 10 = 80/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   84/70 = 84 × 9/70 × 9 = 756/630
4. Subtract the two like fractions:
   80/630 - 756/630 = 80 - 756/630 = -676/630
5. After reducing the fraction, the answer is -338/315

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