Operations with All Number Types

By: Shoaib Huq

Adding and Subtracting Fractions



Step 1. If the denominators are different then find the LCM or the least common denominator


Step 2. Once you did that just add/subtract the top numbers or the numerators and you get you answer


Step 3. Don't forget to simplify if you can

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Adding and subtracting fractions

Multiply Fractions

Step 1. If its a mixed number that change it into an improper fraction and then do steps 2-4


Step 2. Multiply the numerators together


Step 3. Multiply the denominators together


Step 4. Simplify if you can and you get your answer

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Multiplyin' Fractions

Dividing Fractions

Step 1. Is if there is a mixed number change it into a improper fraction


Step 2. Find the second fraction and flip it


Step 3. Then multiply the fractions


Step 4. If you can simplify and there you go

Flocabulary - Dividing Fractions - Keep, Change, Flip

Adding and Subtracting Decimals

Step 1: Line up the decimal


Step 2: Add any zero place holders


Step 3: Then add or subtract the decimals like you would add or subtract a normal problem


Step 4: There you go you have you answer

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Line 'em up (decimal song) | Mister C