Answer:
See explaination for answer! Hope this helps!
Step-by-step explanation:
When multiplying and deviding, you are raising them or lowering them by a certain degree, but <u>adding or subtractions</u> is just <u>combining two fractions. </u>
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Just to quickly explain the "combining" aspect, during subraction, you are combining a positive with a negative.
1) 7
3, 4
2, 1, 3
6, -4, 5, -2