-2/3+1/6 = -1/2
First make denominators same and then add numerators. So
-2/3+1/6 = -2*2/3*2+1/6 = -4/6+1/6 = (-4+1)/6 = -3/6 = -1/2
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negative 2 over 6
-2/3 divided by -1/2 = 1.3333
Adding a negative number has the same effect as subtracting a positive number. In this instance, -1 + (-2) = -1 - 2 = -3.Therefore, -1 + (-2) = -3.
A negative.
Adding a negative number is equivalent to subtracting a positive number. For example, adding -3 is the same as subtracting 3. Subtracting a negative number is equivalent to adding a positive number. For example, subtracting -3 is the same as adding 3. The rule to remember is that when you have a negative sign in front of a number, it actually changes its sign.