7/12 - ( 1/3 + 1/6 ) = 7/12 - 1/3 - 1/6
= 7/12 - 1/3(4) - 1/6(2)
= 7/12 - 4/12 - 2/12
= (7 - 4 - 2)/12
= 1/12
Answer: 1/12
Ok done. Thank to me :>
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