Multiply Numerators: First, let's multiply the numerators together: −1×−9=9.
Multiply Denominators: Now, multiply the denominators together: 6×7=42.
Combine Numerators and Denominators: Put the product of the numerators over the product of the denominators to get the answer: 429.
Simplify Fraction: Finally, simplify the fraction by dividing both the numerator and the denominator by their greatest common divisor, which is 3: 9÷3=3 and 42÷3=14.
Final Answer: So, the simplified answer is 143.
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