Question

-1/2+1/9 it's supposed to be fractions but I can't figure out how to do it on here

Answer 1

-7/18

Explanation:

Multiply both the numerator and denominator of each fraction by the number that makes its denominator equal the LCD. This is basically multiplying each fraction by 1.

( -1/2 × 9/9) + (1/9 × 2/2) = ?

Complete the multiplication and the equation becomes:

-9/18 + 2/18 = ?

Then:

-9+2/18 = -7/18

Therefore:

-1/2 + 1/9 = -7/18