To convert a fraction into a whole number, divide the numerator (top number) by the denominator (bottom number), but only if the division results in a whole number (no remainder).
Here's a breakdown:
-
The Basic Principle: A fraction represents division. The fraction a/b means "a divided by b." If the result of this division is a whole number, then the fraction can be expressed as a whole number.
-
When It Works: This method works only when the numerator is a multiple of the denominator. In other words, the denominator divides evenly into the numerator.
-
The Process:
- Identify the Numerator and Denominator: Clearly distinguish between the top number (numerator) and the bottom number (denominator).
- Perform the Division: Divide the numerator by the denominator.
- Check for a Whole Number Result:
- If the result is a whole number (e.g., 1, 2, 3, -5, 0), then the fraction can be converted into that whole number.
- If the result is a decimal or a fraction, the original fraction cannot be directly converted into a whole number.
-
Examples:
- 6/3 = 6 ÷ 3 = 2 (Whole number – Conversion is possible)
- 10/2 = 10 ÷ 2 = 5 (Whole number – Conversion is possible)
- 15/5 = 15 ÷ 5 = 3 (Whole number – Conversion is possible)
- 7/2 = 7 ÷ 2 = 3.5 (Not a whole number – Conversion to a whole number is not possible directly; it's already in simplest form as a mixed number (3 1/2)).
-
Summary Table:
Fraction Numerator Denominator Division Result Whole Number? Conversion Possible? Resulting Whole Number 8/4 8 4 2 Yes Yes 2 9/3 9 3 3 Yes Yes 3 5/2 5 2 2.5 No No N/A 12/6 12 6 2 Yes Yes 2 10/4 10 4 2.5 No No N/A
In short, you can only convert a fraction to a whole number by dividing the numerator by the denominator if that division results in a whole number.