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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 705 · 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. 1.2/4 + 2/11 =
  2. 2.7/11 − 1/2 =
  3. 3.2/5 + 1/7 =
  4. 4.2/5 + 1/6 =
  5. 5.6/7 − 1/2 =
  6. 6.6/8 + 3/4 =
  7. 7.7/8 + 3/8 =
  8. 8.9/12 − 2/3 =
  9. 9.3/4 − 1/2 =
  10. 10.1/4 + 3/8 =
  11. 11.1/2 − 1/3 =
  12. 12.2/4 − 1/9 =
  13. 13.1/2 + 4/11 =
  14. 14.4/8 + 1/8 =
  15. 15.1/2 + 4/6 =
  16. 16.1/2 + 11/12 =
  17. 17.2/10 + 5/7 =
  18. 18.1/2 + 6/9 =
  19. 19.10/11 − 1/2 =
  20. 20.4/8 − 2/5 =
  21. 21.1/2 + 5/7 =
  22. 22.2/3 + 2/4 =
  23. 23.5/12 − 2/7 =
  24. 24.5/6 + 1/2 =
  25. 25.5/10 − 1/5 =
  26. 26.8/11 − 2/6 =
  27. 27.8/11 − 3/11 =
  28. 28.1/2 + 3/5 =
  29. 29.8/12 + 1/5 =
  30. 30.2/6 + 6/7 =
  31. 31.4/12 + 2/8 =
  32. 32.2/5 + 5/7 =
  33. 33.1/2 + 1/2 =
  34. 34.1/3 + 3/4 =
  35. 35.1/2 + 6/8 =
  36. 36.3/4 + 8/10 =
  37. 37.11/12 + 1/4 =
  38. 38.8/10 − 1/5 =
  39. 39.9/12 − 1/4 =
  40. 40.8/9 − 2/9 =

Answer key

  1. 15/22
  2. 3/22
  3. 19/35
  4. 17/30
  5. 5/14
  6. 3/2
  7. 5/4
  8. 1/12
  9. 1/4
  10. 5/8
  11. 1/6
  12. 7/18
  13. 19/22
  14. 5/8
  15. 7/6
  16. 17/12
  17. 32/35
  18. 7/6
  19. 9/22
  20. 1/10
  21. 17/14
  22. 7/6
  23. 11/84
  24. 4/3
  25. 3/10
  26. 13/33
  27. 5/11
  28. 11/10
  29. 13/15
  30. 25/21
  31. 7/12
  32. 39/35
  33. 1
  34. 13/12
  35. 5/4
  36. 31/20
  37. 7/6
  38. 3/5
  39. 1/2
  40. 2/3

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