How do you evaluate: One minus a negative one-third?

2 Answers
Feb 20, 2017

1(13)=43

Explanation:

Subtracting a negative quantity is the same as adding the corresponding positive quantity.

So:

1(13)=1+13=43

Feb 20, 2017

Writing this in mathematical terms gives the expression:

1(13)

To solve, we first need to make the 1 a fraction by multiplying by the appropriate form of 1 so it has the same denominator as the fraction:

(33×1)(13)

33(13)

Knowing minus a minus is a plus we can rewrite this as:

33+13

Now we can solve by adding the numerators over the common denominator:

3+13

43