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Can the exponent in the denominator be subtracted from the exponent in the numerator when the based are different? Explain

User Linto
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1 Answer

9 votes

Answer:

No, Sorry.

Explanation:

Since the bases are different, you'll have to change them even if they have a exponent or not. If you dunno how to make the denominators the same, just multiply the two by eachother.

Example) 1/2 - 3/4


(1)/(2) - (3)/(4)

Multiply 2 and 4 together, and then multiply the 4 to the one also. Multiply 2 to four and also to the 3.


(4)/(8) - (6)/(8)

The subtract from there.


( - 2)/(8)

and then Reduce (if needed.)


( - 1)/(4)

User Sbooth
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