Adding and Subtracting Fractions

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Presentation transcript:

Adding and Subtracting Fractions EQ: WHAT ARE THE STEPS FOR ADDING AND SUBTRACTING FRACTIONS

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 =

Practice + -

WHAT HAPPENS NEXT???

BORROWING

BORROWING

Different Denominators Find the Least Common Denominator (LCD). Add or Subtract the numerator. REDUCE.

Practice x2 x3 + LCD = 6

Practice

FIND LCD x 1 8 x 4 -

Practice

FIND LCD x5 40 x8 +

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

Practice 1 6

Practice 13

Practice 2