Multiply the numerators and denominators: 7 6 โ ร 2 1 โ = 14 6 โ .
Simplify the fraction by dividing both numerator and denominator by their greatest common divisor (2): 14 6 โ = 7 3 โ .
Compare the simplified fraction with the given options.
The correct answer is 7 3 โ โ .
Explanation
Understanding the Problem We are given the expression 7 6 โ ร 2 1 โ and asked to evaluate it. We need to choose the correct answer from the given options: 7 3 โ , 14 3 โ , 7 12 โ , 7 2 โ .
Multiplying the Fractions To multiply fractions, we multiply the numerators together and the denominators together: 7 6 โ ร 2 1 โ = 7 ร 2 6 ร 1 โ = 14 6 โ .
Simplifying the Fraction Now, we simplify the fraction by dividing both the numerator and the denominator by their greatest common divisor, which is 2: 14 6 โ = 14 รท 2 6 รท 2 โ = 7 3 โ .
Finding the Correct Answer Comparing the simplified fraction 7 3 โ with the given options, we find that it matches the first option.
Examples
Fractions are used in everyday life, such as when cooking, baking, or measuring ingredients. For example, if a recipe calls for 2 1 โ cup of flour and you only want to make half of the recipe, you would need to calculate 2 1 โ ร 2 1 โ = 4 1 โ cup of flour. Understanding how to multiply fractions is essential for accurately adjusting recipes and other measurements.
To multiply 7 6 โ by 2 1 โ , multiply the numerators to get 6 and the denominators to get 14, resulting in 14 6 โ . Simplifying this gives 7 3 โ . Therefore, the answer is 7 3 โ โ .
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