Test: Operations with fractions - Year 8 MCQ

Remember to invert the second fraction and change the divide sign to multiply

To divide by a fraction, invert and multiply

3 x 7 = 21 and 3 x 2/3 = 6/3 or 2 then add these two numbers together

Multiply the numerators (3 x 2) and the denominators (4 x 5). This gives 6/20. Simplify by dividing the numerator and the denominator by their highest common factor, which is 2, resulting in 3/10.

I'll have lemon and sugar on mine please!

To divide fractions, invert the second fraction and change the division sign to multiplication.

So, 7/8 ÷ 1/2 becomes 7/8 x 2/1.

Multiply the numerators (7 x 2) and the denominators (8 x 1) to get 14/8.

Simplify to 7/4.

First, convert the mixed number to an improper fraction.  becomes 5/4.

Then multiply the numerators (5 x 3) and the denominators (4 x 7) to get 15/28.

The fraction is already in its simplest form.