please solve this urgent
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Answer:
hi there.... u r answer is as follows....
Step-by-step explanation:
x= 7/9
y=23/99
so
x+y
=7/9+23/99
=lcm of 9 and 99 is 99
7*11/99 + 23/99
=77+23/99
=100/99
x-y
=77/99 -23/99
=54/99
=18/33
=6/11
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