Evaluation

I. Identify if the following fractions are similar or not. write SF if is Similar and NS if it is not.

1. 1/7, 3/6, 3/8, 2/7
2. 1/6,  3/6, 4/6 ,6/6
3. 9/15, 1/15, 3/9, 5,/15
4. 12/25, 5/25, 3/25, 21/25
5. 9/30, 25/30, 10/30, 1/3

II Add the following similar fractions.
1. 3/9 + 2/9
2. 10/12 + 3/12
3. 1/7 + 4/7 + 2/7
4. 6/18 + 9/18 + 3/18
5. 5/40 + 20/40 + 5/40 + 10/40

III Solve the following problem.

1. Mary is preparing a final exam. She study 3/2 hours on Friday, 6/4 hours on Saturday, and 2/3 hours on Sunday. How many hours she studied over the weekend

2. A recipe requires 1/2 teaspoon cayenne pepper, 3/4 teaspoon black pepper, and 1/4 teaspoon red pepper. How much pepper does this recipe need?

3. Sam is walking to the store. He walked 12 of the way there, then stopped at a friend's house. Then he walked another 13 of the way to the store. What fraction of the distance to the store has Sam walked?