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126 LearnersLast updated on March 24th, 2025
1 hour and 40 minutes as a decimal
This is a simple question on converting time to decimal form. Firstly, we need to understand how to express time in hours and minutes. Time is typically measured in hours and minutes. One hour is a whole, while minutes represent a fraction of an hour. A decimal is a way to represent numbers that are 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 hours, and those to the right represent the fractional part of an hour.
What is 1 hour and 40 minutes as a decimal?
Answer
1 hour and 40 minutes in decimal form is written as 1.67.
Explanation
To convert 1 hour and 40 minutes to a decimal, we will first convert the minutes to a fraction of an hour. Since there are 60 minutes in an hour, 40 minutes is 40/60 of an hour.
Step 1: Identify the whole hours and the minutes. Here, the whole part is 1 hour, and the minutes are 40.
Step 2: Convert the minutes to a fraction of an hour: 40 minutes is 40/60 = 2/3 of an hour.
Step 3: Convert the fraction to a decimal: 2/3 is approximately 0.67 when converted to a decimal.
Step 4: Add the decimal to the whole part: 1 (whole hour) + 0.67 (fractional hour) = 1.67.
Therefore, 1 hour and 40 minutes as a decimal is 1.67.
Important Glossaries for 1 hour and 40 minutes as a decimal
- Hour: A unit of time equal to 60 minutes.
- Minute: A unit of time equal to 1/60 of an hour.
- Decimal: A number that uses the base ten and includes a decimal point to separate the whole part from the fractional part.
- Fraction: A numerical quantity that represents a part of a whole, especially in the context of time conversion.
- Conversion: The process of changing from one form or unit to another, such as from time to decimal form.
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