Mastering Fractions and Decimals

What is 3/4 as a decimal?

• 0.75

• 1.0

• 0.5

• 0.25

Answer explanation

To convert the fraction 3/4 to a decimal, divide 3 by 4. This results in 0.75, making 0.75 the correct answer.

Convert 0.75 to a fraction.

• 4/5

• 3/4

• 1/2

• 2/3

Answer explanation

To convert 0.75 to a fraction, recognize that 0.75 is equivalent to 75/100. Simplifying this fraction by dividing both the numerator and denominator by 25 gives 3/4, which is the correct answer.

Add 1/2 and 1/3. What is the result?

• 3/4

• 5/6

• 2/5

• 1/4

Answer explanation

To add 1/2 and 1/3, find a common denominator, which is 6. Convert: 1/2 = 3/6 and 1/3 = 2/6. Now add: 3/6 + 2/6 = 5/6. Thus, the result is 5/6.

Subtract 0.6 from 1.2. What do you get?

• 0.6

• 0.4

• 0.2

• 1.8

Answer explanation

To find the result of subtracting 0.6 from 1.2, perform the calculation: 1.2 - 0.6 = 0.6. Therefore, the correct answer is 0.6.

Multiply 2/5 by 3/4. What is the product?

• 3/5

• 6/20

• 3/10

• 1/2

Answer explanation

To multiply fractions, multiply the numerators and the denominators: (2 * 3) / (5 * 4) = 6 / 20. Simplifying 6/20 gives 3/10, which is the correct answer.

Divide 0.9 by 0.3. What is the quotient?

• 1

• 3

• 4

• 2

Answer explanation

To divide 0.9 by 0.3, you can think of it as how many times 0.3 fits into 0.9. Since 0.3 times 3 equals 0.9, the quotient is 3.

What is 5/8 as a decimal?

• 0.75

• 0.8

• 0.5

• 0.625

Answer explanation

To convert 5/8 to a decimal, divide 5 by 8. This results in 0.625, which is the correct answer. The other options (0.75, 0.8, 0.5) do not represent 5/8 accurately.

Convert 0.125 to a fraction in simplest form.

• 1/8

• 3/8

• 1/2

• 1/4

Answer explanation

To convert 0.125 to a fraction, recognize it as 125/1000. Simplifying this by dividing both the numerator and denominator by 125 gives 1/8. Thus, the simplest form of 0.125 as a fraction is 1/8.

If you have 3/10 of a pizza and eat 1/5 of it, how much is left?

• 3/10

• 2/5

• 1/2

• 6/25

Answer explanation

You start with 3/10 of a pizza. Eating 1/5 of it means you consume (1/5)*(3/10) = 3/50. Subtracting this from 3/10 gives 3/10 - 3/50 = 15/50 - 3/50 = 12/50 = 6/25. Thus, 6/25 of the pizza is left.

What is the sum of 0.2 and 0.05?

• 0.20

• 0.25

• 0.30

• 0.15

Answer explanation

To find the sum of 0.2 and 0.05, convert 0.2 to 0.20. Then, add: 0.20 + 0.05 = 0.25. Therefore, the correct answer is 0.25.