Fractions 6-1
Can you think of some familiar expressions that include fractions?
Notice that the symbol ¼ can mean several things:
It means one divided by four
It represents one out of four equal parts
It is a number that has a position on a number line.
If an object is divided into 8 equal parts, each part is one eight of the whole.
1/8 means 1 divided by 8 or 1 ÷ 8.
If an object is divided into eight parts and three of these parts are being considered, then the fraction that represents the parts is 3/8
A fraction consists of two numbers.
The denominator tells the number of equal parts into which the whole has been divided.
The numerator tells how many of these parts are being considered.
Properties
For any whole numbers a, b, and c, with b ≠ 0
(a/b)(c) = ac/b
Examples:
2/7 + 2/ 7 + 2/7 = 6/7 which is really (3) 2/7 = 6/7
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