How do you find the sum of 12/13 +(-1/13)
y + -x is the same as y - x. 12/13 +(-1/13) is the same as 12/13 - 1/13. The question is now 12/13 -1/13. 12 - 1 = 11. The answer is 11/13.
12/13 + (-1/13)= 12/13 - 1/13= 11/13note the "+" and "-" turn it into a "-" which means you have to subtract.