Question

(1 1/5+1 1/3)×(1/3+1/2)
(1/3×(1/4+1/5))-1/2
(1/4÷(2/3+3/4))+1/5
(1/6×(2/5+4/3))×2/5

Answer 1

(1 1/5+1 1/3)((1/3+1/2)=19/9 (1/3(1/4+1/5))-1/2=-7/20 (1/4÷(2/3+3/4))+1/5=32/85 (1/6(2/5+3/4))×2/5=26/225