请求下两题答案,thank you very mush!

请求下两题答案,thank you very mush!
1.Farmer Brown have an orchard of fruit trees.A third（1/3）of then are apple trees,a quarter（1/4）are pear trees,and a fifth（1/5）are plum trees.There are also twenty-six cherry trees.How many trees does Farmer Brown have altogether?（Answer the number.）
2.What is it that goes up and never goes down?（Answer in English）
1.Farmer Brown have an orchard of fruit trees.A third（1/3）of then are apple trees，a quarter（1/4）are pear trees，and a fifth（1/5）are plum trees.There are also twenty-six cherry trees.How many trees does Farmer Brown have altogether？（Answer the number.）
2.What is it that goes up and never goes down？（Answer in English）