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Published byAdrian Francis Modified over 9 years ago
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Add / Subtract Mixed Numbers Adding 1. Get common denominator and make equivalent fractions 2. Add whole numbers as a group, fractions as a group 3. Reduce any improper fractions
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Add / Subtract Mixed Numbers Adding 1. Get common denominator and make equivalent fractions 2. Add whole numbers as a group, fractions as a group 3. Reduce any improper fractions EXAMPLE :
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Add / Subtract Mixed Numbers Adding 1. Get common denominator and make equivalent fractions 2. Add whole numbers as a group, fractions as a group 3. Reduce any improper fractions EXAMPLE : Common den = 6 Equivalent fractions
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Add / Subtract Mixed Numbers Adding 1. Get common denominator and make equivalent fractions 2. Add whole numbers as a group, fractions as a group 3. Reduce any improper fractions EXAMPLE : Common den = 6 Equivalent fractions
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Add / Subtract Mixed Numbers Adding 1. Get common denominator and make equivalent fractions 2. Add whole numbers as a group, fractions as a group 3. Reduce any improper fractions EXAMPLE :
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Add / Subtract Mixed Numbers Subtracting 1. Get common denominator and make equivalent fractions 2. Borrow “1” if needed 3. Number – number, fraction – fraction 4. Reduce if needed
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Add / Subtract Mixed Numbers Subtracting 1. Get common denominator and make equivalent fractions 2. Borrow “1” if needed 3. Number – number, fraction – fraction 4. Reduce if needed Borrowing “1” : When subtracting fractions, after getting a common denominator and making equivalent fractions, if the first numerator is smaller then the 2 nd numerator, you need to borrow. When borrowing using fractions you WILL ALWAYS borrow one in terms of your denominator.
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Add / Subtract Mixed Numbers Subtracting 1. Get common denominator and make equivalent fractions 2. Borrow “1” if needed 3. Number – number, fraction – fraction 4. Reduce if needed Borrowing “1” : When subtracting fractions, after getting a common denominator and making equivalent fractions, if the first numerator is smaller then the 2 nd numerator, you need to borrow. When borrowing using fractions you WILL ALWAYS borrow one in terms of your denominator.
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Add / Subtract Mixed Numbers Subtracting 1. Get common denominator and make equivalent fractions 2. Borrow “1” if needed 3. Number – number, fraction – fraction 4. Reduce if needed Borrowing “1” : When subtracting fractions, after getting a common denominator and making equivalent fractions, if the first numerator is smaller then the 2 nd numerator, you need to borrow. When borrowing using fractions you WILL ALWAYS borrow one in terms of your denominator.
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Add / Subtract Mixed Numbers Subtracting 1. Get common denominator and make equivalent fractions 2. Borrow “1” if needed 3. Number – number, fraction – fraction 4. Reduce if needed Borrowing “1” : There is a shortcut to doing this… - subtract 1 from your whole number - add your numerator and denominator ( becomes the new numerator ) - keep your original denominator
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Add / Subtract Mixed Numbers Subtracting 1. Get common denominator and make equivalent fractions 2. Borrow “1” if needed 3. Number – number, fraction – fraction 4. Reduce if needed Borrowing “1” : There is a shortcut to doing this… - subtract 1 from your whole number - add your numerator and denominator ( becomes the new numerator ) - keep your original denominator
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Add / Subtract Mixed Numbers Subtracting 1. Get common denominator and make equivalent fractions 2. Borrow “1” if needed 3. Number – number, fraction – fraction 4. Reduce if needed Common denominator & equivalent fractions Borrow 1 Number minus number Fraction minus fraction Reduce
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Add / Subtract Mixed Numbers Subtracting 1. Get common denominator and make equivalent fractions 2. Borrow “1” if needed 3. Number – number, fraction – fraction 4. Reduce if needed Common denominator & equivalent fractions Borrow 1 Number minus number Fraction minus fraction Reduce Common denominator & equivalent fractions Borrow 1 Number minus number Fraction minus fraction
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