Add & Subtract Rational Numbers by t56Mhg

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									Add & Subtract Rational
       Numbers

        Fractions
                Key Steps
• To subtract integers add the opposite.
          2 – 6 is the same as 2 + (-6)
• When you add or subtract fractions you
  must have a common denominator.
• When you add a positive and a negative
  number, you actually subtract and use
  the sign with the greater absolute value.
5  7  5   7   2    1
                 
8  8      8       8     4
 8 7  8   7   15
              
 9 9      9        9

           6        2
       1      1
           9        3
1  2
   
4  3     1 3  3
             ==


           4  3 12
                  =




            2 4  8
            ==


            3  4 12  =




                          -5
                  y=
                          12   BACK
           Your Turn
 5  1             1 3
                
 6  2            14 4

            5 3
            
            6 10
Add & Subtract Rational
       Numbers

        Fractions

								
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