Solve the following problems and show your solutions.

1. At a local supermarket, Jhudiel bought kilograms of red peppers and kilograms of green peppers. What was the total weight of the purchase?

2. Rachel rode her bike for four-fifth of a mile on Monday and two-fifths of a mile on
Tuesday. How many miles did she ride altogether?

3. Chloe swam two-fifths of a lap in the morning and four-fifteenths of a lap in the evening. How much farther did Stefanie swim in the morning than in the evening?