Fractions

1. What is 3/4 of 20?

Correct answer: 15. To find 3/4 of 20, multiply 3/4 * 20 = 15.

2. Half of what number is 15?

Correct answer: 30. Half of 30 is 15, so the number is 30.

3. Add 1/5 + 1/5.

Correct answer: 2/5. Adding two fractions with the same denominator means adding the numerators: 1/5 + 1/5 = 2/5.

4. What is 1/4 plus 1/8?

Correct answer: 3/8. Convert 1/4 to 2/8 to have common denominators, then add: 2/8 + 1/8 = 3/8.

5. Subtract 2/3 from 1. Write your answer as a fraction.

Correct answer: 1/3. 1 is the same as 3/3, so 3/3 – 2/3 = 1/3.

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