+0  
 
0
731
2
avatar
38/39 + (-19/3)
 Jan 17, 2014
 #1
avatar
0
-2.1
 Jan 17, 2014
 #2
avatar+118654 
0
jake:

38/39 + (-19/3)



firstly, if you add a negative number it is take away.

38/39 - 19/3 (you can probably just do it on the calculator now)

If you are doing it by hand you have to turn 19/3 into something/39
3*13=39, if you multiply the bottom by 13, you have to multiply the top by 13 as well 19*13= 247

so 19/3 = 247/39

38/39 - 247/39 = (38-247)/39 = -(247-38)/39 = -209/39 = -5 and 14/39
 Jan 18, 2014

3 Online Users

avatar