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.

• 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.