Operations!

By: Danielle Iuliano

Adding Fractions!



Step 1. Find a common denominator.

Step 2. Multiply the numerator by the number that you multiply the denominator to get the common denominator.

Step 3. Add the numerators together and keep the denominator.

Step 4. Simplify.

Subtracting Fractions!



Step 1. Find a common denominator.

Step 2. Multiply the numerator by the number that you multiply the denominator to get the common denominator.

Step 3. Subtract the numerators and keep the denominator.

Step 4. Simplify.

Example!

Multiplying Fractions!

Step 1. Multiply Across ----

Step 2. Simplify

Dividing Fractions!

Step 1. Keep the first fraction just the way it is.

Step 2. Change the division sign into a multiplication sign.

Step 3. Flip the second fraction to find its reciprocal.

Step 4. Multiply.

Step 5. Simplify.

Example!

Big image

Decimals!

Multiplying Decimals!

Step 1. Multiply normally.

Step 2. Count how many places are behind your decimal.

Step 3. Place the decimal as many places as you just counted.

Dividing Decimals!

Step 1. Move the decimal so that one decimal turns into a whole number. Move the other decimal as many times you moved the other decimal.

Step 2. Divide those normally. Make sure there is not a decimal outside of the house.

Step 3. After you divide bring the decimal up.

Step 4. You have your answer!

Example!

Big image