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# What is -16/3 - -7?

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What is -16/3 - -7?

Guest Mar 28, 2015

#1
+92221
+5

You can think about negative numbers as cold numbers and positive numbers as hot numbers.

If you take away cold out of a room then the room will get hotter.  so    - - = +

$${\mathtt{\,-\,}}{\frac{{\mathtt{16}}}{{\mathtt{3}}}}{\mathtt{\,\small\textbf+\,}}{\mathtt{7}}$$

the sign always belongs to the number or letter behind it so our 2 terms here are   -16/3   and +7

It will look more normal if you swap them around

$${\mathtt{7}}{\mathtt{\,-\,}}{\frac{{\mathtt{16}}}{{\mathtt{3}}}}$$

=   $${\mathtt{7}}{\mathtt{\,-\,}}\left({\mathtt{5}}{\mathtt{\,\small\textbf+\,}}{\frac{{\mathtt{1}}}{{\mathtt{3}}}}\right)$$

7-5 is 2 Mmm it will have to be smaller than that because you are taking away more than 5.

=   $${\mathtt{2}}{\mathtt{\,-\,}}{\frac{{\mathtt{1}}}{{\mathtt{3}}}}$$

It will have to be 1 and a bit.  There are 3 thirds in a whole. ...

$$=1\frac{2}{3}$$

Melody  Mar 29, 2015
Sort:

#1
+92221
+5

You can think about negative numbers as cold numbers and positive numbers as hot numbers.

If you take away cold out of a room then the room will get hotter.  so    - - = +

$${\mathtt{\,-\,}}{\frac{{\mathtt{16}}}{{\mathtt{3}}}}{\mathtt{\,\small\textbf+\,}}{\mathtt{7}}$$

the sign always belongs to the number or letter behind it so our 2 terms here are   -16/3   and +7

It will look more normal if you swap them around

$${\mathtt{7}}{\mathtt{\,-\,}}{\frac{{\mathtt{16}}}{{\mathtt{3}}}}$$

=   $${\mathtt{7}}{\mathtt{\,-\,}}\left({\mathtt{5}}{\mathtt{\,\small\textbf+\,}}{\frac{{\mathtt{1}}}{{\mathtt{3}}}}\right)$$

7-5 is 2 Mmm it will have to be smaller than that because you are taking away more than 5.

=   $${\mathtt{2}}{\mathtt{\,-\,}}{\frac{{\mathtt{1}}}{{\mathtt{3}}}}$$

It will have to be 1 and a bit.  There are 3 thirds in a whole. ...

$$=1\frac{2}{3}$$

Melody  Mar 29, 2015

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