WHAT IIS 2÷ (1 6/7) THE 1 IS PART OF THE 6/7 ITS A MIXED FRACTION PLEASE HELP IDK HOW TO DIVIDE THEM!!

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Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much