Q&A for How to Divide a Whole Number by a Fraction

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What is 12 3/7 divided by 9?

Donagan

Top Answerer

First convert 12 3/7 to the improper fraction 87/7. Then divide by 9. The easiest way to do that is to multiply the denominator by 9: 7 x 9 = 63. So 87/7 ÷ 9 = 87/63, which reduces to 29/21. If you want the answer in mixed-number form, it's 1 8/21.

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Question

How do I will simplify 24/1?

Donagan

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24/1 = 24.

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Question

How do I divide 100,000 to 8 shares and 1/2 share?

Donagan

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Divide 100,000 by 8.5.

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How do I divide 1/4 and 2x?

Donagan

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If you're asking how to divide 2x into ¼, you would multiply the denominator (4) by 2x. ¼ ÷ 2x = 1/(8x).

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Question

If given the fraction 4/9, how many pieces or groups is the whole divided in?

Donagan

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The "whole" is 4, and it's divided into 9 equal pieces or groups.

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Question

What is 40 divided by 1/16?

Donagan

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Dividing by a fraction is the same thing as multiplying by the inverted fraction. In this case, 40 ÷ 1/16 is identical to 40 multiplied by 16/1, or (40)(16) = 640. (That means that 640 units of 1/16 will fit into 40.)

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Question

How do I multiply a fraction by a fraction?

Donagan

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Multiply the two numerators to get the numerator of the product. Then multiply the denominators to get the denominator of the product. For example, 2/5 multiplied by 3/8 equals (2 x 3) / (5 x 8) = 6 / 40, which reduces to 3 / 20.

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How do I divide 5/3 by 3?

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If you're asking how to divide 3 into 5/3, you would multiply the denominator (3) by 3. 5/3 ÷ 3 = 5/9.

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Question

What is the correct answer to the following math equation? 9 - 31/3 + 1

Donagan

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9 + 1 = 10 = 30/3. 30/3 - 31/3 = -1/3.

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Question

How do I solve the fraction 4/1 ÷ 38/3?

Donagan

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4/1 ÷ 38/3 = (4/1)(3/38) = 12/38 = 6/19.

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Question

How can I solve a problem like this? 1 1/2 ÷ 2 2/3?

Community Answer

First, change the mixed numbers into simple fractions by multiplying the whole number by the denominator, then add the numerator. 1 1/2 would be 3/2 and 2 2/3 would be 8/3. Find the divisor’s reciprocal by flipping it over. This creates 3/8. Then multiply 3/2*3/8. The answer is 9/16.

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Question

How do you divide 21 1/8 by 2?

Community Answer

(21 1/8) / 2 = (169/8) / 2 = (169/8)(1/2) = 169/16 = 10 9/16.

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