# Operations with Fractions

### By: Autumn

## ADDITION AND SUBTRACTION

## Explanation

Step 2: Whatever you multiplied the denominator by to get the common denominator, you need to multiply the numerator by the same thing.

Step 3: Now, you simply subtract/add the numerators and keep the denominator the same.

Step 4: Last but not least, ALWAYS SIMPLIFY IF YOU CAN.

## Example

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## MULTIPLICATION

## Explanation

Step 2: Multiply the denominators, multiply across.

Step 3: ALWAYS SIMPLIFY IF YOU CAN.

## Example

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## DIVIDING

## Explanation

Step 2: Multiply like usual. Multiply the numerators and the denominators.

Step 3: ALWAYS SIMPLIFY IF YOU CAN.

## Example

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## Operations with Decimals

## MULTIPLICATION

## Explanation

Step 2: Act like the decimals aren't there and do your regular U.S. Algorithm and multiply.

Step 3: When you get your product, the decimals are back. Count the total decimal places and put that many decimal places in the product.

## Example

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## DIVISION

## Explanation

Step 2: See if you can fit the divisor into the first number of the dividend. If not see if it will go into the first two numbers of the dividend.

Step 3: when you have found how many times,