The reciprocal of a number plus the reciprocal of three times the number equals#1/3#. What is the number?
1 Answer
Dec 2, 2017
The number is 4.
Explanation:
Calling the number
Now, it's just a matter of rearranging to get n as the subject.
To add the fractions, we need to have the same denominator, so let's start there
which simplifies to
adding the 3 and 1
Multiply both sides by
Now, the 3s on the right side cancel out- which gives the answer: