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The exponents are added.
The answer will depend on what kind of sums.
you do not do anything when you add numbers with exponents. you just figure out the answer. it is only if you multiply numbers with exponents, where you add the exponents..
Fractional exponents follow the same rules as integral exponents. Integral exponents are numbers raised to an integer power.
Add the exponents
An operation on a series of numbers is when you use amongst others addition, subtraction, multiplication and division. Mathematics decided the order of operations is to work out the sums in the brackets first, then exponents, then multiplications and division and finally addition and subtraction.
The laws of exponents work the same with rational exponents, the difference being they use fractions not integers.
When multiplying something with exponents, you add it. When dividing something with exponents, you subtract it.
You can have negative exponents anywhere. When they are in the denominator, they are equivalent to positive exponents in the numerator of a fraction.
When multiplying numbers with exponents, you add the exponents.
In algebraic equations, exponents can contain variables. They can be solved for by using logarithmic rules for exponents.
You multiply the exponents.