4. Express 6 as a fraction of 10: 6. Express 9 as a fraction of 12:


a) What fraction of 9 is 7? c) What fraction of 12 is 5? e) What fraction of 5 is 2?


Puzzler


O’Donalds sells two different sizes of soft drinks. A small soft drink contains 300ml and a large soft drink contains 2 that. If Cillian drank 2 Ciara drank 1


– 2 of her large orange drink,


who drank the most? Finding the Whole Number


Example 1: If 2


Step 1: 2 Step 2: 1 Step 3: 5


– 5 of a number is 20, what is the whole number?


– 5 = 20


– 5 = 20 ÷ 2 = 10 (Hint: you divide the numerator into the whole number.)


– 5 = 10 × 5 = 50 (Hint: you multiply the answer you got in Step 2 by the


denominator.)


Example 2: If 4


Step 1: 4 Step 2: 1 Step 3: 6


– 6 of a number is 32, what is the whole number?


– 6 = 32


– 6 = 32 ÷ 4 = 8


– 6 = 8 × 6 = 48


Remember, the numerator is the number on top of the fraction.


The denominator is the number on the bottom.


– 3 more than


– 3 of his small Coke and


5. Express 4 as a fraction of 9: 7. Express 2 as a fraction of 3:


8. Complete the problems below. They are the same kind of questions as the problems above, just written in a different way.


b) What fraction of 8 is 4? d) What fraction of 10 is 4? f) What fraction of 9 is 8?


Fractions 2


107


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