Work out . Give your answer as a mixed number.
Answer and explanation
Correct answer: C.
- Step 1: Use the common denominator : and .
- Step 2: Add the numerators: .
- Step 3: Convert: remainder , so .
Answer
.
Why not the others: : This adds the numerators and the denominators separately. : This uses as the remainder instead of . : This multiplies over the common denominator, which is not how to add.
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