## Practice questions

## Answers and explanations

- The correct answer is
**Choice (C).**By finding the lowest common denominator in each set of fractions, you can tell which fractions are equal. In Choice (C), the lowest common denominator is 9. Keep the value of the fractions the same:

The two fractions in Choice (C) aren’t equal; all of the other fractions

*are*equal. - The correct answer is
**Choice (B).**To divide fractions, you need to flip the fraction you want to divide by; then use the standard multiplication rules to work out the problem and simplify it as much as possible: