1/6 +3/8 = in simplest form

Can you simplify 4/7? 24 points will be awarded!

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

Which one is true about the hexagons ?