What is 15.2701010101... as a Fraction?

15.2701 equals 755874950 as a fraction.

How do you turn 15.2701 repeating into a fraction?

Detailed Answer:

Step 1: To convert 15.2701 repeating into a fraction, begin writing this simple equation:

n = 15.2701 (equation 1)

Step 2: Notice that there are 2 digits in the repeating block (01) and 2 digits in the non-repeating part (27). Multiply both sides by 10⁴ = 10000.

10000 × n = 152701.01 (equation 2)

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

10000 × n = 152701.01
  100 × n = 15.2701
 9900 × n = 151174

1511749900 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 2 (the GCF - greatest common factor).

n = 1511749900 = 151174 ÷ 29900 ÷ 2 = 755874950. So,

15.2701 = 755874950 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 755874950 is also equal to 1513374950 when expressed as a mixed number.

The repeating decimal 15.2701 (vinculum notation) has a repeated block length of 2. It is also represented as 15.27010101... (ellipsis notation) which equals approximately 15.270101010101 (decimal approximation)(*).

The recurring decimal 15.2701 can be written as a ratio of two integers having 75587 as the numerator and 4950 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.