What is 17.4292929... as a Fraction?

17.429 equals 3451198 as a fraction.

How do you turn 17.429 repeating into a fraction?

Detailed Answer:

Step 1: To convert 17.429 repeating into a fraction, begin writing this simple equation:

n = 17.429 (equation 1)

Step 2: Notice that there are 2 digits in the repeating block (29) and 1 digit in the non-repeating part (4). Multiply both sides by 10³ = 1000.

1000 × n = 17429.29 (equation 2)

Step 3: Now subtract equation 1 from equation 2 to cancel the repeating block (or repetend) out.

1000 × n = 17429.29
  10 × n = 17.429
 990 × n = 17255

17255990 could be the answer, but it still can be put in the simplest form, i.e., reduced.

To simplify this fraction, divide the numerator and denominator by 5 (the GCF - greatest common factor).

n = 17255990 = 17255 ÷ 5990 ÷ 5 = 3451198. So,

17.429 = 3451198 as the lowest possible fraction.

As the numerator is greater than the denominator, we have an improper fraction, so we can also express it as a mixed number, thus 3451198 is also equal to 1785198 when expressed as a mixed number.

The repeating decimal 17.429 (vinculum notation) has a repeated block length of 2. It is also represented as 17.4292929... (ellipsis notation) which equals approximately 17.42929292929 (decimal approximation)(*).

The recurring decimal 17.429 can be written as a ratio of two integers having 3451 as the numerator and 198 as the denominator. So, it is a rational number (named after ratio). It can be shown that a number is rational if its decimal representation is repeating or terminating.

(*) At present, there is no single universally accepted notation or phrasing for repeating decimals.