1. Yesterday, meena used 9/10 kg of sugar to bake cookies.Today she used 3/5 kg of sugar. how many more kilograms of she use yesterday than today?
A. 2 B. 1/2 C. 3/10 D. 1/3

2. Isabella walks 10/16 km each morning. In the afternoon she walks 5/8 km. how many km she walk each day?