Finding a Fractional Part of a Whole Number
A common mathematical operation involving fractions is finding a fractional amount of a whole number. This applies the concept of fractions as representing parts of a whole.
For example, if we want to find 1/4 of 360, we are trying to determine what 1 out of 4 equal parts of 360 is.
What is 1/4 of 1,360?
To find 1/4 of 1,360, you can multiply 1,360 by 1/4:
1,360 * 1/4 = (1,360 / 4) = 340.
So, 1/4 of 1,360 is equal to 340.
Understanding Fractions
A fraction represents a part-to-whole relationship. The denominator indicates how many equal parts the whole is divided into. The numerator indicates how many of those parts we want.
In 1/4, the 4 means the whole is split into 4 equal parts. The 1 means we want just 1 of those 4 parts.
So 1/4 of any whole number can be found by:
- Dividing the whole number by the denominator (Split into 4 equal parts)
- Taking the fraction numerator amount of those parts. (Take just 1 of the 4 parts)
Finding 1/4 of 360
To find 1/4 of 360:
- 360 divided by 4 is 90. (Split 360 into 4 parts of 90)
- Take just 1 of those 4 parts. (Take 90 since the numerator of 1/4 is 1)
Therefore, 1/4 of 360 is 90.
To check our work:
1/4 * 360 = 90 = 90 ✅
Multiplying 1/4 by 360 gives us back our result of 90, confirming that taking 1/4 of 360 does equal 90.
Fractional Parts of Any Whole Number
This process works for finding any fractional part of a whole number. For example:
1/3 of 12: 12 / 3 = 4 Take 1 part: 4
2/5 of 30: 30 / 5 = 6 Take 2 parts: 12
Being able to find fractional parts of whole numbers is an important skill for daily math and financial calculations like finding sales tax or determining tip amounts. Comprehending fractions as representatives of part-whole relationships provides the basis for fractional math.
In summary, to find a fractional part of a whole, divide the whole by the denominator to determine the size of each part, then take the numerator amount of those parts as your final answer.
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