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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 877 · 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. 1.1/2 − 3/10 =
  2. 2.9/12 + 1/3 =
  3. 3.1/2 + 3/9 =
  4. 4.5/6 − 9/11 =
  5. 5.1/4 + 4/5 =
  6. 6.4/7 − 1/2 =
  7. 7.3/6 − 1/6 =
  8. 8.1/2 + 5/7 =
  9. 9.3/4 + 5/11 =
  10. 10.1/3 + 1/5 =
  11. 11.1/2 + 10/11 =
  12. 12.5/7 − 1/10 =
  13. 13.4/6 + 1/6 =
  14. 14.7/12 − 1/7 =
  15. 15.1/5 + 1/3 =
  16. 16.6/7 + 1/2 =
  17. 17.2/5 + 2/12 =
  18. 18.4/6 + 2/6 =
  19. 19.9/11 + 1/2 =
  20. 20.5/10 − 1/12 =
  21. 21.4/12 + 9/11 =
  22. 22.3/12 − 1/7 =
  23. 23.3/10 + 1/2 =
  24. 24.1/6 + 1/3 =
  25. 25.1/2 + 1/7 =
  26. 26.2/6 + 9/12 =
  27. 27.5/11 + 5/8 =
  28. 28.1/2 + 5/10 =
  29. 29.4/10 + 5/6 =
  30. 30.3/4 − 2/11 =
  31. 31.1/2 + 6/12 =
  32. 32.1/10 + 2/7 =
  33. 33.1/3 + 1/3 =
  34. 34.5/6 − 2/4 =
  35. 35.4/5 − 1/10 =
  36. 36.1/2 + 8/12 =
  37. 37.2/6 + 2/7 =
  38. 38.3/5 + 1/4 =
  39. 39.5/6 + 2/3 =
  40. 40.1/2 + 7/8 =

Answer key

  1. 1/5
  2. 13/12
  3. 5/6
  4. 1/66
  5. 21/20
  6. 1/14
  7. 1/3
  8. 17/14
  9. 53/44
  10. 8/15
  11. 31/22
  12. 43/70
  13. 5/6
  14. 37/84
  15. 8/15
  16. 19/14
  17. 17/30
  18. 1
  19. 29/22
  20. 5/12
  21. 38/33
  22. 3/28
  23. 4/5
  24. 1/2
  25. 9/14
  26. 13/12
  27. 95/88
  28. 1
  29. 37/30
  30. 25/44
  31. 1
  32. 27/70
  33. 2/3
  34. 1/3
  35. 7/10
  36. 7/6
  37. 13/21
  38. 17/20
  39. 3/2
  40. 11/8

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