Answer :

Subtracting
Step 1. Make sure the bottom numbers are the same
Step 2. Subtract the top numbers Put the answer over the same denominator.
Step 3. Simplify the fraction (if need to)
Adding
Step 1: Make sure the bottom numbers are the same
Step2: Add the top numbers, put the answer over thedenominator
Step 3: Simplify the fraction 
HOPE THIS HELPS :)

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