`7/3 + 11/5 - 4/3=(7/3-4/3)+11/5=3/3+11/5=1+11/5=5/5+11/5=16/5`
`(27/25 - 4/9) - ( 2/25 - 5/9)=27/25 - 4/9- 2/25 +5/9= (27/25 -2/25)-(4/9+5/9)=25/25 - 9/9=1-1=0`
\(7/3+11/5-4/3=(7/3-4/3)+11/5=3/3+11/5=1+11/5=16/5\)
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\(\text{(27/25-4/9)-(2/25-5/9)=27/25-4/9-2/25+5/9=(27/25-2/25)+(-4/9+5/9)=25/25+1/9=1+1/9=10/9}\)