Fractions & Decimals

By: Corvin

Adding & Subtracting Fractions

Adding & Subtracting Fractions

Step 1: Find a common denominator


Step 2: Add or Subtract the numerator


Step 3: Simplify if needed

Multiplying Fractions

Step 1: Multiply the numerators


Step 2: Multiply the denominators


Step 3: Simplify if needed

How to Multiply Fractions

Dividing Fractions

Step 1: Keep the first fraction the same


Step 2: Change the Division sign to a Multiplication sign


Step 3: Flip the the second fraction or find the reciprocal of the second fraction

Flocabulary - Dividing Fractions - Keep, Change, Flip

Multiply Decimals

Step 1: Move the decimal point however spaces to the end of the number (optional)


Step 2: Multiply


Step 3: If you moved the decimal points out, then add the two numbers that had numbers after there decimal points to find how many spaces to put on the answer.


Step 4: Simplify if needed

Multiplying Decimals

Dividing Decimals

Step 1: Move the decimal point however times you need for the outside number. Move the decimal point the same distance as the outside number but do it in the inside number.


Step 2: Divide


Step 3: After you have your answer, move the decimal back however times the numbers after each numbers decimal point. Add them together and that's how many times you skip to put the decimal point in your answer.

Dividing Decimals