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Last updated on August 5, 2025

1.22222222222 as a Fraction

Professor Greenline Explaining Math Concepts

Numbers can be categorized into different types. Fraction is one of its kind. It is always represented in the form of p/q, where p is the numerator and q is the denominator. Fraction represents a whole and a fractional part. Decimals represent the fractional part of numbers. For example, 1/2, the numbers in decimal are expressed with a decimal point (.), For example, 1.22222222222, we are going to learn how to convert a decimal to a fraction.

1.22222222222 as a Fraction for US Students
Professor Greenline from BrightChamps

What is 1.22222222222 as a Fraction?

1.22222222222 as a fraction

 

Answer:

 

The answer for 1.22222222222 as a fraction will be 11/9.

 

Explanation:

 

Converting a repeating decimal to a fraction is a task for students that can be done easily. You can follow the steps mentioned below to find the answer.

 

Step 1: Let x = 1.22222222222... (where 2 is repeating).

 

Step 2: Multiply x by 10 to move the decimal point to the right: 10x = 12.22222222222...

 

Step 3: Subtract the original equation (Step 1) from this new equation (Step 2) to eliminate the repeating part: 10x - x = 12.22222222222... - 1.22222222222... 9x = 11

 

Step 4: Solve for x by dividing both sides by 9: x = 11/9 Thus, 1.22222222222 can be written as a fraction 11/9.

Professor Greenline from BrightChamps

Important Glossaries for 1.22222222222 as a Fraction

  • Fraction: A numerical expression representing a part of a whole, using a numerator and a denominator.

 

  • Decimal: A number that includes a decimal point to separate the whole part from the fractional part.

 

  • Repeating Decimal: A decimal in which a digit or group of digits repeats infinitely.

 

  • Numerator: The top part of a fraction, indicating the number of parts considered.

 

  • Denominator: The bottom part of a fraction, showing the total number of equal parts in the whole.
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