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Adding mixed numbers with like denominators

Grade 4Curriculum basis: CCSS 4.NF.B.3c

Adding mixed numbers with like denominators

Name: Date: Score: / 20
  1. 1
    3512+2612=
  2. 2
    228+368=
  3. 3
    445+345=
  4. 4
    2610+3110=
  5. 5
    279+269=
  6. 6
    236+226=
  7. 7
    545+345=
  8. 8
    2411+4911=
  9. 9
    559+539=
  10. 10
    318+378=
  11. 11
    225+535=
  12. 12
    4610+5310=
  13. 13
    512+512=
  14. 14
    519+249=
  15. 15
    258+468=
  16. 16
    325+235=
  17. 17
    514+514=
  18. 18
    146+146=
  19. 19
    147+217=
  20. 20
    359+139=
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Adding mixed numbers with like denominators — Answer Key

  1. 1
    3512+2612=51112
  2. 2
    228+368=6
  3. 3
    445+345=835
  4. 4
    2610+3110=5710
  5. 5
    279+269=549
  6. 6
    236+226=456
  7. 7
    545+345=935
  8. 8
    2411+4911=7211
  9. 9
    559+539=1089
  10. 10
    318+378=7
  11. 11
    225+535=8
  12. 12
    4610+5310=9910
  13. 13
    512+512=11
  14. 14
    519+249=759
  15. 15
    258+468=738
  16. 16
    325+235=6
  17. 17
    514+514=1012
  18. 18
    146+146=313
  19. 19
    147+217=357
  20. 20
    359+139=489