maths helpplease

[notanidea]

how do you solve 1 1/6 -1/3+1/2

If you use BODMAS formula- you must solve 1/3+1/2 first which gives you the answer5/6 and if you minus this from 7/6(1 1/6) you get 1/6 as the answer. Is this right? The book says the answer is 1.

Can someone explain?

Hmmm. I'm not convinced that the right answer is 1.

What you've done is solved 1 1/6 - (1/3 + 1/2) which is not the same thing.

Maybe think of it as:

7/6 - 2/6 + 3/6 = (7-2+3)/6 = 8/6 = 1 1/3?

what DH said.

If you did bracket 1/3 + 1/2 don't you get the answer as 1/3?

I google Bodmas- It says that division and multiplication is the same order so do it left to right, similarly addition and substraction are of the same rank so do it from left to right(source- maths is fun)The answer is one if I use this.

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?? if I do it left to right then I get:

1 1/6 - 1/3 + 1/2 = 7/6 - 2/6 + 3/6
= 5/6 + 3/6
= 8/6
= 1 1/3

how do you get one?

ps: if you bracket the second bit then I also make it 1/3...

Yes, agree with bloss. The only way to get the answer one is to multiply 1/3 and 1/2.

multiply 1/3 by 1/2

May be it was 7/6-1/2+1/3 = 7/6-3/6+2/6
4/6+2/6=6/6=1.
but with doing 7/6-5/6=2/6=1/3
Do I make sense?

Addition and subtraction can be done in either order so (1 + 3) - 2 = 2, as does 1 + (3 - 2).

I think it's called commutable.

The answer is 1/3.

If you put them all over 6, the sum is 7/6 - 2/6 = 3/6 = 8/6 = 1 and 2/6

This is really easy.

How can adults possibly get this wrong?

Sorry, should have read 7/6 - 2/6 + 3/6 = 8/6 = 1 and 2/6, which equals 1 and 1/3.

Anyway, my typing may be rubbish, but I'm glad my maths is fine.