Identify numbers: Step 1: Identify the numbers to multiply.We have 21 and −51. We need to multiply these fractions together.Calculation: (21)×(−51)
Multiply numerators and denominators: Step 2: Multiply the numerators and the denominators.Numerator: 1×−1=−1Denominator: 2×5=10So, the product is −101.
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