Question 666169
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Hi,
With fraction subtractions, it is the same as with whole number subtraction...
sometimes You have to 'borrow' ...
 {{{8&3/4 - 3&1/4 = 5&2/4 = 5&1/2}}}  No need to borrow on this one

{{{7&5/12 - 2&3/4 =  7&5/12 - 2&9/12 = 6&17/12 - 2&9/12 = 4&8/12 = 4&2/3}}}
Borrowing '1' from the 7 is the same as Borrowing {{{12/12}}} and {{{5/12 + 12/ 12 = 17/12}}}