It is 4/5 of a mile from Shan's house to the science museum. Shan started walking towards the science museum and met her friends 1/2 of a mile away from her house. How far do Shan and her friends need to walk to get to the museum?
A farmer planted 1/4 of his garden with corn. 2/6 was planted with tomatoes. How much of the garden was left to plant?
3/4 - 1/5 =
9/10 - 1/6 =