Operations of Fractions

By: Kinjal Patel

Adding Fractions

Step 1- Find your denominators from both fractions

Step 2- List a couple multiples of your denominators

Step 3- Find 2 common multiples from both of your lists

Step 4- Multiply your numerators as many times as you multiplied the denominator to get a common denominator

Step 5- Add your fractions together to get your answer

Step 6- Simplify your answer


Here is a game you can play to practice adding and subtracting fractions

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Subtracting

Step 1-List some common multiples of your denominators

Step 2- Find 2 common multiples

Step 3- Multiply you numerators as you did to the denominators to get a common denominator

Step 4- Subtract your fractions

Step 5- Simplify your answer as much as you can


Here is a game that will help you practice adding and subtracting fractions

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Multiplying Fractions

Step 1- Multiply your fraction across with your numerators and denominators

Step 2- Simplify your answer


Here is a video on how to multiply fractions

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Dividing Fractions

Step 1- Flip your 2nd fraction in the equation

Step 2- Multiply your fraction across

Step 3- Simplify your answer


Here is a video about dividing fractions!

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Operations for Decimals

Multiplying Decimals

Step 1- Line up your numbers

Step 2- Start with your top number and multiply across from going right to left and multiply it by the right number on your bottom number

Step 3- Keep on multiplying across the top number right to left but then on the bottom number keep on multiplying left until your out of numbers

Step 4- Add up all your numbers

Step 5- Move the decimal as many as times there are digits on the right of the decimal from your regular equation


Here is a video to help you multiply decimals

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Dividing Fractions

Step 1- Line up your numbers

Step 2- Make sure the decimal is always at the end for the number outside and move the decimal that many times on the inside number to and make sure to take your decimal and bring it up to the top

Step 3- Find how many times the number outside can go into the whole number inside and then subtract it

Step 4- With your left over amount(if you have any) drop down the number on the right of the decimal

Step 5- If you have a number left over but no more numbers to the right of the decimal then drop down a zero

Step 6- Keep on doing that until you have nothing left over


Here is a video to help you remember dividing fractions

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Adding Decimals

Step 1- Line up your numbers evenly

Step 2- Add your numbers like normal(up to down),but if you have a numbers that will be ten or greater than just add it to the next highest place value

Step 3- Add up all your numbers and just bring down your decimal

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Subtracting Decimals

Step 1- Line up your numbers

Step 2- Subtract regularly down to up(if your number is greater than borrow one from the number to your right and add ten to yours)

Step 3- Once you have subtracted than just bring down your decimal

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