ASAP! Lesson 4 Problem-Solving Practice

Add and Subtract Unlike Fractions

MARBLES For Exercises 1–4, use the table showing colors of marbles.

Color
Fraction
Red
350
Blue
325
Green
310
Yellow
125
Pink
110
Purple
15
White
950

1. What fraction of the marbles are red or blue?

2. What fraction of the marbles are green or purple?

3. What fraction represents how many more purple marbles there are than yellow ones?

4. What fraction represents how many more white marbles there are than pink ones?

5. GRADES If13of the students got an A and25of them got a B, what fraction of the students got an A or a B?

6. WATER AEROBICS If 58of the people in a water aerobics class are over age 65 and 14 of the people in the class are under age 40, what fraction of the people in the class are either over 65 or under 40?