The peak number states how plenty of slices us have. The bottom number claims how many equal slices the entirety pizza was cut into.

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Equivalent Fractions

Some fractions may look different, but are yes, really the same, for example:

4/8 =2/4 =1/2
(Four-Eighths)(Two-Quarters)(One-Half)
*
==

It is usually finest to show solution using the simplest portion ( 1/2 in this situation ). The is called Simplifying, or Reducing the fraction

Numerator / Denominator

We call the peak number the Numerator, the is the variety of parts us have.We speak to the bottom number the Denominator, that is the variety of parts the whole is divided into.

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NumeratorDenominator

You just have to remember those names! (If you forget just think "Down"-ominator)

Adding Fractions

It is simple to add fractions v the same denominator (same bottom number):


1/4 +1/4 =2/4 =1/2
(One-Quarter)(One-Quarter)(Two-Quarters)(One-Half)
+==
One-quarter plus one-quarter equals two-quarters, equates to one-half

Another example:


5/8 +1/8 =6/8 =3/4
+
*
=
*
=
*
Five-eighths plus one-eighth equates to six-eighths, amounts to three-quarters

Adding fractions with different Denominators

But what around when the denominators (the bottom numbers) space not the same?


3/8+1/4=?
+=
*
Three-eighths plus one-quarter equals ... What?

We should somehow make the platform the same.

In this instance it is easy, since we recognize that 1/4 is the very same as 2/8 :


3/8 +2/8 =5/8
+
*
=
Three-eighths plus two-eighths equals five-eighths

There room two popular methods to make the platform the same:

(They both job-related nicely, use the one friend prefer.)

Other points We can Do with Fractions

We deserve to also:

Visit the Fractions table of contents to uncover out also more.


fractions Index identical Fractions including Fractions Subtracting fractions Multiplying Fractions separating Fractions Greatest common Factor Least typical Multiple