Subtracting Fractions and a Whole Lot More!

When subtracting fractions, you basically follow the same rules as for addition. Therefore, the same keys to successfully subtraction also apply. Make sure the "denominators are the same!"

Here is the Rule, if all you need is a quick refresher...

Build each fraction so that the denominators of each fraction are equal.
Subtract the numerators of the fractions.
The denominator of the answer will be the common denominator or the denominator of the built-up fractions, whichever applies.
Reduce or simplify the answer, if needed.

Note: We Do Not Subtract denominators!

If you want to subtract fractions with the same denominator, simply omit Step#1.

When subtracting with unlike denominators, you do all the steps.

As usual, we cover all of the other things that could affect your understanding of the subtraction process, just to be sure nothing is missed. Click the links below for detailed step-by-step instructions to be sure you have these operations down pat.

Subtracting Fractions - Like Denominators
The steps for subtraction are just like what we used to add them. We also repeat instructions for reducing and simplifying your answers as a refresher.

Subtracting Fractions - Unlike Denominators
Complete, easy to follow instructions also include finding the Least Common Denominator and equivalent fractions.

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[Math Homework Help] [Adding Fractions] [Subtracting Fractions]

[Multiplying Fractions] [Dividing Fractions] [Least Common Multiple]

[Least Common Denominator] [Greatest Common Factor]

[Equivalent Fractions] [Simplifying Fractions] [Reducing Fractions]

[Understanding Fractions] [Prime Numbers] [Fraction Calculator]

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