Practice: Adding & Subtracting Fractions

Grade 4 Mathematics | Independent Practice

Name:
Date:

Part A: Adding Fractions with Like Denominators

Directions: Add the fractions. Simplify your answer if possible.

1.

25 + 15 =

2.

38 + 38 =

3.

16 + 46 =

4.

512 + 312 =

Part B: Subtracting Fractions with Like Denominators

Directions: Subtract the fractions. Simplify your answer if possible.

5.

56 - 26 =

6.

78 - 38 =

7.

910 - 410 =

8.

68 - 28 =

Part C: Mixed Numbers

Directions: Add or subtract. Write your answer as a mixed number in simplest form.

9.

214 + 124 =

10.

325 + 225 =

11.

456 - 216 =

12.

538 - 118 =

Part D: Word Problems

Directions: Solve each problem. Show your work.

13. Maria used 3/8 of a roll of ribbon for one project and 2/8 of the same roll for another project. What fraction of the roll did she use in all?

Equation: _________________________

Answer: Maria used __________ of the roll.

14. Jake had 7/10 of a pizza. He ate 3/10 of the pizza for dinner. What fraction of the pizza does he have left?

Equation: _________________________

Answer: Jake has __________ of the pizza left.

15. Sophie walked 1 2/5 miles in the morning and 2 1/5 miles in the afternoon. How many miles did she walk in total?

Equation: _________________________

Answer: Sophie walked __________ miles in total.

Challenge: Think About It!

16. Carlos says that 2/6 + 3/6 = 5/12 because you add both the numerators and denominators. Is Carlos correct? Explain why or why not.

17. What is the missing number?

?8 + 38 = 78

The missing number is: __________