Question

if i am adding fractions and the first one is a negative do i switch the fractions around and put the negative fraction at the back so i can just subtract

Answer 1

i would

Answer 2

You can do that, if it makes it easier for you :)

Answer 3

but would i lose marks for doing that?

Answer 4

some math teacher love starting with negatives
\[-\frac{2}{5}+\frac{1}{2}\]

Answer 5

but are we allowed to switch them in exams?

Answer 6

i would write
\[\frac{1}{2}-\frac{2}{5}\]

Answer 7

but how do we solve wothout switching

Answer 8

i cannot answer that, because i don't know what your teacher expects. but the truth is you are going to end up subtracting anyway

Answer 9

can u show me how to do it without switching

Answer 10

Basicly you have to imagine a number lime.

-(2/5)+(1/2)
-0.4+0.5

If we are 0.4 spaces away from 0, and we add 0.5, we get 0.1 spaces infront of zero.
0.1 can be written as 1/10.

Answer 11

huh?

Answer 12

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