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Find an equivalent fraction for the repeating decimal: .

0 votes

Find an equivalent fraction for the repeating decimal: image.

asked Jun 11, 2014 in PRECALCULUS by bilqis Pupil

2 Answers

0 votes

Step 1)

Let x  equal the repeating decimal you are trying to convert to a fraction

image

Step 2)

After examination, the repeating digit is 605

Step 3)

To place the repeating digit (605 ) to the left of the decimal point, we need to move the decimal point 3 places to the right.

moving a decimal point 3 places to the right is done by multiplying the decimal number by 1000.

Thus image

Step-4)

Place the repeating digits to the right of the decimal point.

image

Step-5) The two equations are

image

image

image

image

image

Equivalent fraction is image.

answered Jun 11, 2014 by david Expert
0 votes

The repeating decimal is image.

Let N be the represent the number, image

Multiply each side by 1000 because three digit repeats.

image

image

Subtract N from 10N to eliminate the repeating part.

image

Resultant equation is image.

Divide each side by 999.

image

image

image

The equivalent fraction of image

answered Jun 11, 2014 by casacop Expert

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