Fractions

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How to Multiply and Divide Fractions in Algebra

This video shows how to multiply and divide fractions by multiplying the numerators and denominators - even if the fractions have unlike denominators. In algebra or basic math, cancelling out equal factors [more…]

How to Multiply Two Mixed Numbers

Knowing how to multiply fractions will help when it comes to multiplying two mixed numbers. To multiply two mixed numbers, first change all mixed numbers to improper fractions. Then, simplify, or reduce [more…]

How to Multiply Three Mixed Numbers

Multiplying three mixed numbers is quite similar to multiplying simple fractions. To multiply mixed numbers, first change any mixed numbers to improper fractions. Next, simplify, or reduce, the fractions [more…]

How to Find Common Denominators to Create Equivalent Fractions

You must find a common denominator if you want to add, subtract, or compare fractions that have different denominators. A common denominator, which means having the same number in the denominator [more…]

How to Change Improper Fractions to Mixed Numbers

Changing improper fractions to mixed numbers can help you understand the result of an algebraic problem better. Improper fractions are simply top-heavy fractions whose numerators [more…]

How to Add Fractions

Adding fractions is easy if the denominators are the same, but adding fractions with different denominators requires care. If you set up an algebraic equation to add fractions with different denominators [more…]

How Fractions Are Put Together

Fractions just have two parts: a numerator and a denominator. The denominator, or bottom number, indicates the total number of items. The numerator, or top number, tells you how many of the total [more…]

How Proper Fractions Work

The simplest type of fraction is a proper fraction, which is always just part of one whole thing. In a proper fraction, the numerator is always smaller than the denominator, and its value is always less [more…]

What to Do When Fractions Don't Reduce

Reducing fractions make them easier to use, but sometimes fractions don't reduce to lower terms. Don't worry, you still have options: You can round up or down, and then you can multiply or divide by 1. [more…]

How to Subtract Fractions

You can subtract proper fractions that have different denominators, such as thirds and sixths — if you find the common denominator first. The biggest step in subtracting proper fractions is finding the [more…]

How to Divide Fractions

Dividing fractions is as easy as pie! In fact, after you change mixed numbers to improper fractions, dividing fractions is just like multiplying fractions, except that you flip the numerator and the denominator [more…]

How to Convert Fractions to Decimals

You can convert all fractions to decimals. The decimal forms of rational numbers either end or repeat a pattern. To convert fractions to decimals you just divide the top by the bottom — divide the numerator [more…]

How to Round Off Fractions and Decimals

Simplify fractions and decimals by rounding off. To round off decimals, limit the number of decimal places that the number holds. To round off fractions, you first convert the fractions to decimals. If [more…]

How to Add and Subtract Fractions in Algebra

In algebra, adding and subtracting fractions is easy when you find the common denominator. This video shows you how to convert fractions for the common denominator. After you determine the common denominator [more…]