IBEW Fractions, Decimals, and Percentages 2

Question 1

Convert 7/8 to a decimal.

Accepted Answer

0.875

Answer

7 ÷ 8 = 0.875.

Question 2

What is 3/4 + 5/6?

Accepted Answer

19/12

Answer

LCD = 12. 3/4 = 9/12 and 5/6 = 10/12. Sum = 19/12.

Question 3

A price increases from $80 to $92. What is the percentage increase?

Accepted Answer

15%

Answer

Increase = $12. Percentage = (12/80) × 100 = 15%.

Question 4

Subtract: 5/6 - 2/9

Accepted Answer

11/18

Answer

LCD = 18. 5/6 = 15/18 and 2/9 = 4/18. Difference = 11/18.

Question 5

What is 0.625 as a fraction in lowest terms?

Accepted Answer

5/8

Answer

0.625 = 625/1000. Simplify by dividing by 125: 5/8.

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