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## Adding and Subtracting Fractions

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**Adding and**Subtracting Fractions**Example #1**When adding and subtracting fractions, we need a common denominator. Once thefractions have a common denominator, you will add or subtract the numerators and keep the denominators the same.**Example #2**Find common denominators. Add the numerators. Keep the denominator.**Example #3**Find common denominators. Add the numerators. Keep the denominator. Simplify.**Example #4**Find common denominators. Subtract the numerators. Keep the denominator.**Example #5**Find common denominators. Subtract the numerators. Keep the denominator. Simplify.**Example #6**Find common denominators. Subtract the numerators. Keep the denominator. Simplify.**Example #7**Felicia is making cookies for her brother’s birthday party. Her recipe calls for ¾ cups of brown sugar. She only has ⅓ cup left in the bag. How much brown sugar will she need to borrow from her neighbor to make the cookies? Felicia needs to borrow cups of brown sugar.