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Verified Answer :

1/16+ 1/12
= 3/48+ 4/48 (common denominator)
= 7/48

The final answer is 7/48~

pegah

you can say : 1/16 = 112/1612 = 12/192  and  1/12 = 116/1216 = 16/192 so  now you can say : 12/192 + 16 /192 = 12+16/192 = 28/192 = 0.145 :))
i hope this is helpful 
have a nice day