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3 November, 01:19

Explain how you can use multiplication to find the quotient 3 / 5:3/15 then evaluate the expression

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  1. 3 November, 01:58
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    When you divide fractions, you have to also use the operation of multiplication. Let us distinguish first the definition of terms for division. When it says A : B = C, A is the dividend, B is the divisor and C is the quotient. Now, we focus on the divisor. It is the term after the division symbol. You take its reciprocal, then change the operation from division to multiplication. A reciprocal is obtained when you interchange the numerator and denominator. If the divisor is originally A//B, then its reciprocal is B/A. The next step would be to multiply the numerators and the denominators, separately.

    Let me give an example for demonstration:

    4/5 : 2/3

    4/5 * 3/2 = (4*3) / (5*2) = 12/10

    Simplifying the solution, the final answer would be 6/5.
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