### multiplying fractions

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Messages: 1 - 6 of 6
• #### Message 1.

Posted by U15246921 (U15246921) on Monday, 30th April 2012

my exam is on wednesday and i have completely forgot how to multiply fractions

• #### Message 2

, in reply to message 1.

Posted by Maths Teacher BBC (U15178780) on Monday, 30th April 2012

At General Level, fractions are very basic.
It really depends on what type of question you are looking at.
e.g. Fractions 2010 Paper 1 Qu 1(d)
7 x 2 ⅓

Firstly make the 2 ⅓ into a top heavy fraction by doing 3 x 2 + 1 = 7 now the fraction is 7/2.

7 x 7/2 (when multiplying fractions you multiply straight across i.e. the top number times each other and the bottom numbers times each other)

So 7 x 7 = 49 so the answer is 49/2

2007 Paper 1 Question 1(d)

5 x 4 ⅓
= 5 x 13/3

5 x 13 = 65 so the answer is 65/3

Try :

3 x 2 ⅕

4 x 4 ⅛

Let me know what you get!!

Is this the kind you are looking for???

• #### Message 3

, in reply to message 2.

Posted by U15246921 (U15246921) on Tuesday, 1st May 2012

yeah, would you then simplify it?

• #### Message 4

, in reply to message 2.

Posted by U15235539 (U15235539) on Tuesday, 1st May 2012

How would you do the 2010 credit non calculator question 2 it is fractions I I am really finding it hard to work out how o do it

• #### Message 5

, in reply to message 4.

Posted by Maths Teacher BBC (U15178780) on Tuesday, 1st May 2012

2/5 ÷ 1 1/10

make 1 1/10 top heavy - 11/10

2/5 ÷ 11/10

Instead of dividing flip and multiply

2/5 x 10/11

20/55

4/11

Hope this helps!!

• #### Message 6

, in reply to message 5.

Posted by U15235539 (U15235539) on Tuesday, 1st May 2012

Yeah it did thank you

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