Chapter 4: Problem 36
Find decimal notation. \(\frac{5}{12}\)
Short Answer
Expert verified
0.4167
Step by step solution
01
Understand the Problem
Determine the decimal representation of the fraction \(\frac{5}{12}\). This involves division of the numerator by the denominator.
02
Set Up the Division
Set up the division where 5 is divided by 12. Here, 5 is the dividend (inside the division bracket) and 12 is the divisor (outside the division bracket).
03
Perform the Division
Divide 5 by 12. Since 5 is less than 12, we put a decimal point and add zero. This makes it 50. Dividing 50 by 12 gives approximately 4, with a remainder of 2. Bring down another zero making it 20, and divide by 12 giving about 1. Continue this process.
04
Continue Until Sufficient Precision
The process generates a repeating decimal. \(\frac{5}{12} \) = 0.41666... (rounded, it's approximately 0.4167 if rounded to four decimal places).
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
fraction to decimal conversion
Converting a fraction to its decimal form is essential in math. This process involves dividing the numerator (top number) by the denominator (bottom number). For instance, with the fraction \( \frac{5}{12} \), you're dividing 5 by 12. This conversion is useful for understanding and comparing sizes of different fractions easily. Whether you're adding, subtracting, or comparing fractions, moving to a decimal can simplify the process.
Remember, the goal of this conversion is to find a way to write the fraction as a number with a decimal point.
Remember, the goal of this conversion is to find a way to write the fraction as a number with a decimal point.
division process
The division process is crucial for converting fractions to decimals. Let's dive into the steps:
- Step 1: Identify the numerator and denominator. Here, 5 is the numerator, and 12 is the denominator.
- Step 2: Set up your division format. Place the numerator (5) inside the division bracket and the denominator (12) outside.
- Step 3: Begin dividing. Since 5 is smaller than 12, you need to add a decimal point and a zero, making it 50.
- Step 4: Divide 50 by 12 to get 4, put 4 in the quotient, and bring down the remainder.
- Step 5: Continue with more zeros and dividing until you reach the desired precision. For example, after dividing several times, you notice the decimal starts repeating.
repeating decimal
A repeating decimal is a decimal number that has one or more repeating digits after the decimal point. When converting \( \frac{5}{12} \) to a decimal, you'll notice the sequence 6 keeps repeating: 0.41666...
This is shown as 0.41\( \overline{6} \). If a decimal repeats, it means that division will continue producing the same result.
Thus, recognizing a repeating decimal helps simplify and understand exact fraction to decimal conversions. Not all decimals terminate; some keep repeating or continue infinitely, making it important to spot and denote repeating patterns. In math, it's common to see this represented with a bar over the repeating digits.
This is shown as 0.41\( \overline{6} \). If a decimal repeats, it means that division will continue producing the same result.
Thus, recognizing a repeating decimal helps simplify and understand exact fraction to decimal conversions. Not all decimals terminate; some keep repeating or continue infinitely, making it important to spot and denote repeating patterns. In math, it's common to see this represented with a bar over the repeating digits.