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Adding and Subtracting Fractions
EQ: WHAT ARE THE STEPS FOR ADDING AND SUBTRACTING FRACTIONS
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Common Denominators Add 3 and 1 = 4 Answer = Reduce =
To add or subtract fractions with common denominators simply add or subtract the numerator. The denominator stays the same. + Add 3 and 1 = 4 Answer = Reduce =
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Practice + -
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WHAT HAPPENS NEXT???
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BORROWING
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BORROWING
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Different Denominators
Find the Least Common Denominator (LCD). Add or Subtract the numerator. REDUCE.
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Practice x2 x3 + LCD = 6
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Practice
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FIND LCD x 1 8 x 4 -
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Practice
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FIND LCD x5 40 x8 +
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Estimating HINT: Half the denominator
If numerator is same or higher then round up to next whole number If numerator is lower then keep the whole number and take away the fraction
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Practice 1 6
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Practice 13
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Practice 2
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