12 year old maths

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c-o-y-s

Posts: 5

Joined: Sat Feb 05, 2011 10:44 pm

Post Tue May 24, 2011 9:07 pm

12 year old maths

Hi help please, my sons homework question
4/5 of 3/4= / x / = / = /
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AlanE

Moderator

Posts: 2278

Joined: Sun Jun 29, 2003 11:20 am

Location: Colchester Essex

Post Wed May 25, 2011 9:44 am

Re: 12 year old maths

(4/5)x(3/4)= 12/20 = 3/5

Multyply top row of the fractions: Multyply bottom row to form new fraction which is the answer. Simplyfy the fraction and you get the answer.

4 x 3 = 12

5 x 4 = 20

Simplify 12over20 and you get 3over5 (3/5)!!

Job to format the answer to look like real fractions - sorry
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