Question 665058
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Hi,

{{{12&3/14 - 9&10/14 = 11&17/14 - 9&10/14 = 2&7/14 = 2&1/2}}}
Note: 'Borrowing' 1 from 12 is 'borrowing' {{{14/14}}} and {{{(3+14)/14 = 17/14}}}