How do you combine #(7 / t) + (2 / t)#?

Answer 1

As with adding constant fractions, if the denominators are the same, just add the numerators together over the same denominator:

#(7/t)+(2/t) = (7+2)/t = 9/t#

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Answer 2

Abigail Allen

To combine (7 / t) + (2 / t), you can add the numerators together and keep the common denominator, which is t. So, the combined expression is (7 + 2) / t, which simplifies to 9 / t.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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