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10. Writing to Explain Write an explanation for another student telling

him or her how to divide 2/3 by 1/6

1 Answer

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Answer:

  • invert and multiply, or
  • use a common denominator

Explanation:

There are two ways you can divide 2/3 by 1/6.

1) Division by a number is the same as multiplication by its reciprocal. The reciprocal of a fraction is the fraction obtained by swapping the numerator and denominator. So, division by 1/6 is the same as multiplication by 6/1.

2/3 ÷ 1/6 = 2/3 × 6/1

The result of this multiplication is the product of the numerators divided by the product of the denominators:

2/3 × 6/1 = (2×6)/(3×1) = 12/3 = 4

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2) The fractions can be expressed with the same denominator. Then their quotient is the quotient of their numerators.

2/3 = 4/6

2/3 ÷ 1/6 = 4/6 ÷ 1/6 = 4 ÷ 1 = 4

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