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You add the opposite.. Example: 3 - 4 = -1 It changes to 3 + -4 = -1 Example: 5 + 2 =7 It changes to 5 - -2 = 7 (two negatives make a positive)
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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.
% to fraction: divide % by 100%Example: 3% = 3%/100% = 3/100fraction to 100%: multiply the fraction by 100%Example: 3/100 =3/100 * 100% = 3%
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