Here are the solutions to the fraction addition problems. Since all the fractions in each problem have the same bottom number (denominator), you just add the top numbers (numerators) together and keep the bottom number the same.
1.
1/5 + 3/5: Add 1 + 3 to get 4. Keep the 5. Result:
4/5
2.
3/7 + 2/7: Add 3 + 2 to get 5. Keep the 7. Result:
5/7
3.
5/8 + 1/8: Add 5 + 1 to get 6. Keep the 8. Result:
6/8 (Note: This can be simplified to 3/4, but 6/8 is the direct sum).
4.
1/6 + 3/6: Add 1 + 3 to get 4. Keep the 6. Result:
4/6 (Note: This can be simplified to 2/3).
5.
7/9 + 1/9: Add 7 + 1 to get 8. Keep the 9. Result:
8/9
6.
6/8 + 1/8: Add 6 + 1 to get 7. Keep the 8. Result:
7/8
7.
1/10 + 6/10: Add 1 + 6 to get 7. Keep the 10. Result:
7/10
8.
4/10 + 4/10: Add 4 + 4 to get 8. Keep the 10. Result:
8/10 (Note: This can be simplified to 4/5).
9.
4/8 + 2/8: Add 4 + 2 to get 6. Keep the 8. Result:
6/8 (Note: This can be simplified to 3/4).
10.
3/9 + 5/9: Add 3 + 5 to get 8. Keep the 9. Result:
8/9
Final Answer:
1. 4/5
2. 5/7
3. 6/8
4. 4/6
5. 8/9
6. 7/8
7. 7/10
8. 8/10
9. 6/8
10. 8/9
Parent Tip: Review the logic above to help your child master the concept of fraction worksheets 4th grade.