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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 779 · 40 sums
TalentJR

The trick (Urdhva Tiryagbhyam): Top: multiply crosswise — first top × second bottom, then first bottom × second top — and add (or subtract). Bottom: multiply the two bottoms. Simplify by dividing top and bottom by their HCF. Give the answer as a fraction like 17/12.

NameDateTime takenScore ___ / 40
  1. 1.6/9 + 6/9 =
  2. 2.1/7 + 1/4 =
  3. 3.1/2 + 3/10 =
  4. 4.1/4 + 3/4 =
  5. 5.1/2 + 6/7 =
  6. 6.2/3 + 5/12 =
  7. 7.4/8 + 1/9 =
  8. 8.7/12 + 5/9 =
  9. 9.10/11 + 1/2 =
  10. 10.9/12 − 2/4 =
  11. 11.9/11 + 3/5 =
  12. 12.3/4 − 2/9 =
  13. 13.5/10 + 8/12 =
  14. 14.1/2 + 2/3 =
  15. 15.4/11 + 3/6 =
  16. 16.2/3 + 3/5 =
  17. 17.2/6 + 1/3 =
  18. 18.2/4 + 4/9 =
  19. 19.1/5 + 8/9 =
  20. 20.2/12 + 4/11 =
  21. 21.2/3 − 6/11 =
  22. 22.7/8 + 1/2 =
  23. 23.3/5 − 5/11 =
  24. 24.1/11 + 1/6 =
  25. 25.1/2 − 1/8 =
  26. 26.1/9 + 2/9 =
  27. 27.3/5 − 2/5 =
  28. 28.2/6 + 1/2 =
  29. 29.4/8 + 1/6 =
  30. 30.1/2 + 1/2 =
  31. 31.2/3 − 4/8 =
  32. 32.3/10 − 1/4 =
  33. 33.5/10 − 2/7 =
  34. 34.5/8 + 1/2 =
  35. 35.3/4 − 1/2 =
  36. 36.1/8 + 5/12 =
  37. 37.1/2 + 8/12 =
  38. 38.5/9 + 3/5 =
  39. 39.4/8 − 2/11 =
  40. 40.4/7 − 3/12 =

Answer key

  1. 4/3
  2. 11/28
  3. 4/5
  4. 1
  5. 19/14
  6. 13/12
  7. 11/18
  8. 41/36
  9. 31/22
  10. 1/4
  11. 78/55
  12. 19/36
  13. 7/6
  14. 7/6
  15. 19/22
  16. 19/15
  17. 2/3
  18. 17/18
  19. 49/45
  20. 35/66
  21. 4/33
  22. 11/8
  23. 8/55
  24. 17/66
  25. 3/8
  26. 1/3
  27. 1/5
  28. 5/6
  29. 2/3
  30. 1
  31. 1/6
  32. 1/20
  33. 3/14
  34. 9/8
  35. 1/4
  36. 13/24
  37. 7/6
  38. 52/45
  39. 7/22
  40. 9/28

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