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How many twelfths (11+)
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Author:  haniya11plus [ Thu May 09, 2019 11:05 am ]
Post subject:  How many twelfths (11+)

Afternoon guys

My dd is solving this question and she is confused whether she has to multiply 1/12*1 or not


Q:- by how many twelfths in 1 5/6 less than 2 1/4?

Thank you

Author:  Choccy74 [ Thu May 09, 2019 11:55 am ]
Post subject:  Re: How many twelfths (11+)

I would just convert the fractions to twelfths, i.e.:

1 & 5/6 becomes 1 & 10/12
2 & 1/4 becomes 2 & 3/12

then it's easy to work out the difference in twelfths between the two numbers.

Author:  haniya11plus [ Thu May 09, 2019 12:06 pm ]
Post subject:  Re: How many twelfths (11+)

Hi
Thanks for reply

she was just confused with the whole numbers ( 1 & 2 )

Author:  helen0209 [ Thu May 09, 2019 2:48 pm ]
Post subject:  Re: How many twelfths (11+)

Hi, convert the whole numbers into 12ths as well. So,

1 & 5/6 becomes 1 and 10/12 and then add it to 12/12 to become 22/12
2 & 1/4 becomes 2 and 3/12 and then add it to 24/12 to become 27/12

Then you can subtract 27/12 from 22/12 and 2 & 1/4 is 5/12 larger than 1 & 5/6

Author:  dette1510 [ Thu May 09, 2019 2:51 pm ]
Post subject:  Re: How many twelfths (11+)

My daughter finds these questions easier when she puts them into improper fractions.

1 & 5/6 = 22/12
2 & 1/4 = 27/12

its much easier to see the difference.

Author:  haniya11plus [ Thu May 09, 2019 2:57 pm ]
Post subject:  Re: How many twelfths (11+)

yes putting into improper fractions makes it much easier.

Thanks to all of you who replied
best of luck to everyone with pre test

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