You have added the fractions 2/5 and 4/10 by converting 2/5 into 4/10 so the denominators are the same. Your addition has given you the total of 8/10. Now what must you do?
A. You are finished; the answer is 8/10.
B. You must convert 8/10 into 80%.
C. You must divide 10 into 8.
D. You must reduce 8/10 to lowest terms (4/5).
d
Rationale: After conducting this addition, you must reduce your answer of 8/10 to the lowest terms, which is 4/5. Fractions should always be expressed in their lowest terms after any mathematical procedure for ease of use. There is no need to convert 8/10 into a percentage or divide 8 by 10.
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