Workkeys Math Practice Test 2025 – The All-in-One Guide to Mastering Math Skills for Exam Success!

Question: 1 / 400

If two pieces of wood measured 3/16 inch and 5/16 inch respectively, what is the sum of their lengths in lowest terms?

3/8 inches

7/16 inches

1/2 inches

To find the sum of two fractions, such as 3/16 inch and 5/16 inch, it is essential to have a common denominator, which in this case is already 16, since both fractions share this denominator. By adding the numerators together while keeping the same denominator, the calculation becomes:

3/16 + 5/16 = (3 + 5)/16 = 8/16.

The next step is simplifying this result. To simplify 8/16, you divide both the numerator and the denominator by their greatest common divisor, which is 8. This gives you:

8 ÷ 8 / 16 ÷ 8 = 1/2.

Therefore, the sum of the two lengths in lowest terms is 1/2 inches. This matches the correct answer choice, as it properly represents the simplified form of the total length when combining the two given measurements.

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5/16 inches

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