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Last updated on May 26th, 2025

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-1/8 as a Decimal

Professor Greenline Explaining Math Concepts

This is a simple question on decimal conversion. Firstly, we need to understand fractions and decimals. A fraction represents a part of a whole. It has two parts: the numerator (the number on top), which indicates how many parts of the whole are being considered, and the denominator (the number below), which shows how many parts make up the whole. Here, the numerator is -1, and the denominator is 8. A decimal is a way to represent a number that is not whole, using a decimal point to separate the whole part from the fractional part. The numbers to the left of the decimal point represent the whole part, and those to the right represent the fractional part.

-1/8 as a Decimal for Australian Students
Professor Greenline from BrightChamps

What is -1/8 as a decimal?

-1/8 as a decimal

 

 

Answer

-1/8 in decimals can be written as -0.125. It is a terminating decimal, which means it ends after a certain number of decimal places.

 

Explanation

To convert -1/8 to a decimal, we use the division method. Here, since -1 is smaller than 8, we will use the decimal method to perform the division and find the result of -0.125. Let's break down the process step by step:

 

Step 1: Identify the numerator and denominator. The numerator (-1) will be taken as the dividend, and the denominator (8) will be the divisor.

 

Step 2: As -1 is smaller than 8, we cannot divide it directly. We will use decimals by adding a decimal point and zeros to the dividend to proceed with the division.

 

Step 3: Perform the division. After adding a decimal point, -1 becomes -10. Divide -10 by 8, which gives -1.25. Since -10 is not divisible by 8 exactly, we bring down additional zeros and continue dividing until the remainder is zero.

 

Step 4: The division process results in a terminating decimal, -0.125.

 

Thus, the answer for -1/8 as a decimal is -0.125.

Professor Greenline from BrightChamps

Important Glossaries for -1/8 as a decimal

  • Fraction: A numerical quantity that represents a part of a whole, consisting of a numerator and a denominator.

 

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

 

  • Numerator: The top part of a fraction, indicating how many parts of the whole are being considered.

 

  • Denominator: The bottom part of a fraction, showing how many parts make up a whole.

 

  • Terminating Decimal: A decimal that ends after a finite number of digits.
Professor Greenline from BrightChamps

About BrightChamps in Australia

At BrightChamps, math questions are more than just exercises—they’re opportunities to grow and explore! Our mission is to help children across Australia develop important skills, including today’s focus on the -1/8 as a Decimal with special attention on decimal conversions—in a fun, lively, and easy-to-understand way. Whether your child is calculating the speed of a roller coaster at Luna Park Sydney, tracking scores at a local cricket match, or managing their allowance for the latest gadgets, strong math skills give them confidence for daily challenges. Our lessons are interactive and designed to be enjoyable. Since kids in Australia learn in various ways, we customize our teaching to meet their individual styles. From Sydney’s vibrant streets to the beautiful Gold Coast beaches, BrightChamps brings math to life, making it relatable and exciting throughout Australia. Let’s make decimal conversions a fun part of every child’s math journey!
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