What Are Fractions

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Fractions are described as a ‘part of a whole’. Fractions have a number written on top and a number written in the bottom. The top part is known as the numerator and the bottom part is known as the denominator and it is written in the form of ‘a/b’ where ‘a’ and ‘b’ are integers and b ≠ 0. Fractions form a very important section of numbers in math and operations such as addition, subtraction, multiplication or division can be performed on them.

Example 1: Add the given fractions, 1/2 + 3/2 + 5/2
The first step is to add the first two fraction numbers.
We can directly add the fractions because they have the same denominator ‘2’.
èThis gives: 1/2 + 3/2 = (1 + 3)/2 = 4/2
This implies we get: 4/2 + 5/2 = (4 + 5)/2 = 9/2

Therefore, adding the three fractions together we get: 1/2 + 3/2 + 5/2 = 9/2.

Example 2: Evaluate the given fractions, 2/3 – 4/3 + 7/3
The first step is to subtract the first two fraction numbers.
We can directly subtract the fractions because they have the same denominator ‘3’.
èThis gives: 2/3 – 4/3 = (2 – 4)/3 = -2/3