Set up multiplication: Step 1: Set up the multiplication of the two fractions.Calculation: 81×91Short reasoning: Multiplying fractions involves multiplying the numerators together and the denominators together.
Multiply numerators and denominators: Step 2: Multiply the numerators and the denominators.Calculation: Numerator: 1×1=1, Denominator: 8×9=72Short reasoning: The product of the numerators is the numerator of the answer, and the product of the denominators is the denominator of the answer.
Write final answer: Step 3: Write the final answer as a fraction.Calculation: 721Short reasoning: The result from step 2 gives the final fraction.
More problems from Multiply and divide positive and negative decimals