What is 2.09808 as a fraction?

In this article, we will guide you step by step through the process of converting the decimal 2.09808 into a fraction. We will start by understanding how a decimal represents the fractional part of a number, then break down the steps to rewrite 2.09808 as a fraction. Finally, we will simplify the fraction by identifying and applying the Greatest Common Factor, ensuring the results are in the simplest form.

By the end of this guide, you should have a good understanding of decimal to fraction conversions and be able to apply this knowledge to various mathematical problems. Let's begin.

2.09808 as a fraction equals 209808/100000 or 13113/6250

Now let's break down the steps for converting 2.09808 into a fraction.

Step 1:

First, we express 2.09808 as a fraction by placing it over 1:
2.09808/1

Step 2:

Next, we multiply both the numerator and denominator by 10 for each digit after the decimal point.
2.09808 x 100000/1 x 100000
  =  
209808/100000

Step 3:

Next, we find the Greatest Common Factor (GCF) for 209808 and 100000. Keep in mind a factor is just a number that divides into another number without any remainder.
The factors of 209808 are: 1 2 3 4 6 8 9 12 16 18 24 31 36 47 48 62 72 93 94 124 141 144 186 188 248 279 282 372 376 423 496 558 564 744 752 846 1116 1128 1457 1488 1692 2232 2256 2914 3384 4371 4464 5828 6768 8742 11656 13113 17484 23312 26226 34968 52452 69936 104904 209808
The factors of 100000 are: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 3125 4000 5000 6250 10000 12500 20000 25000 50000 100000
The GCF of 209808 and 100000 is: 16

Step 4:

To simplify the fraction, we divide both the numerator and denominator by their greatest common factor (GCF), which we calculated in the previous step. The GCF value is 16 in this case.
209808 ÷ 16/100000 ÷ 16
  =  
13113/6250


Great Work! We've just determined that 2.09808 as a fraction equals 209808/100000 or 13113/6250 in its simplest form.

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Frequently asked math questions, including decimals and fractions

Read the following section to help deepen your understanding of basic math concepts.

What does the Greatest Common Factor (GCF) mean?

The greatest common factor is also referred to as the highest common factor. In math, this refers to the greatest common divisor of two or more whole numbers (also known as integers). In simple terms, this is the biggest number that can divide evenly into two or more numbers. For example, the GCF for 4 and 8 is 4.

What is a proportion?

A proportion is an equation that states that two ratios are equal. For example, 1/2 = 2/4 shows a proportional relationship.

What is a mean (average)?

The mean, or average, is calculated by adding all the numbers in a set and dividing by the total number of values. For example, the mean of 3, 4, and 5 is (3 + 4 + 5)/3 = 4.

What is a median?

The median is the mid value in a set of numbers when the numbers are arranged in order. If there are two middle numbers, the median is the average of those both those numbers.

What is a terminating decimal?

A terminating decimal is a decimal number that has a finite number of digits after the decimal point. For example, 0.35 and 3.5 are terminating decimals.

What is a fraction as a percentage?

A fraction can be converted to a percentage by dividing the numerator by the denominator and multiplying by 100. For example, 3/6 = 1/2 = 0.50 × 100 = 50%.


Educational math links

There are numerous online resources available (some free and some paid) for learning math including decimals and fractions. These range from interactive games to in-depth courses and lessons. We recommend these websites as a valuable resource for students of all skill levels.

Math Planet has customized math courses for high school students.

For a self-study courses for Algebra. We recommend Purple Math.

Cliff Notes is tailored for independent study for the SAT, ACT, GMAT, GRE, and AP exams. It's a free service.



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