Subtract and simplify if you can.
1)
6/ 10 -
1/ 10
=
2 )
4 /5
-
3/ 5
=
3 )
4 /10 -
3 /10
=
4 )
9 /11 -
3/ 11
=
5 )
5/ 6
-
2/ 6
=
6 )
7/ 9
-
6/ 9
=
7 )
11/ 12 -
8/ 12
=
8 )
2/ 8
-
1/ 8
=
9 )
4/ 11 -
3/ 11
=
10 )
2 /3
-
1/ 3 =
http://www.math-aids.com/cgi/pdf_viewer_3.cgi?script_name=fractions_subtracting_simple.pl&difficult=0&probs=10&language=0&memo=&answer=1&x=104&y=23
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