Respuesta :

bshawy89
9/10 - 4/10 is just 9-4=6 and put that over 10 so you get 6/10.  If you have to reduce just do it by 2 on both.  6/2= 3 and 10/2=5 so 2/5. 
Leader
[tex] \frac{9}{10} - \frac{4}{10} = \frac{9-4}{10} =\boxed{\bf{\frac{5}{10}=\frac{1}{2}}}[/tex]

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