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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 529 · 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. 1.1/10 + 1/5 =
  2. 2.2/6 + 3/4 =
  3. 3.1/2 − 4/10 =
  4. 4.7/10 − 2/7 =
  5. 5.3/8 + 7/11 =
  6. 6.2/3 − 3/5 =
  7. 7.6/7 + 6/12 =
  8. 8.1/6 − 1/10 =
  9. 9.2/11 − 1/7 =
  10. 10.1/4 − 1/9 =
  11. 11.6/7 + 2/3 =
  12. 12.3/4 + 1/4 =
  13. 13.10/11 − 2/10 =
  14. 14.2/4 + 2/6 =
  15. 15.6/8 + 2/9 =
  16. 16.4/9 + 9/10 =
  17. 17.3/4 − 1/3 =
  18. 18.3/10 − 1/4 =
  19. 19.2/9 + 1/5 =
  20. 20.10/12 − 1/2 =
  21. 21.2/7 + 2/3 =
  22. 22.3/8 + 1/2 =
  23. 23.7/11 + 1/2 =
  24. 24.4/6 + 1/7 =
  25. 25.6/7 − 4/11 =
  26. 26.3/4 − 1/7 =
  27. 27.9/11 + 3/4 =
  28. 28.1/2 + 8/9 =
  29. 29.1/3 + 2/12 =
  30. 30.5/7 + 1/6 =
  31. 31.1/2 + 1/2 =
  32. 32.3/4 + 2/7 =
  33. 33.2/6 + 1/5 =
  34. 34.7/11 − 4/12 =
  35. 35.2/6 + 2/3 =
  36. 36.5/8 − 2/8 =
  37. 37.2/3 + 2/3 =
  38. 38.1/2 + 2/4 =
  39. 39.3/12 − 1/9 =
  40. 40.5/6 + 6/12 =

Answer key

  1. 3/10
  2. 13/12
  3. 1/10
  4. 29/70
  5. 89/88
  6. 1/15
  7. 19/14
  8. 1/15
  9. 3/77
  10. 5/36
  11. 32/21
  12. 1
  13. 39/55
  14. 5/6
  15. 35/36
  16. 121/90
  17. 5/12
  18. 1/20
  19. 19/45
  20. 1/3
  21. 20/21
  22. 7/8
  23. 25/22
  24. 17/21
  25. 38/77
  26. 17/28
  27. 69/44
  28. 25/18
  29. 1/2
  30. 37/42
  31. 1
  32. 29/28
  33. 8/15
  34. 10/33
  35. 1
  36. 3/8
  37. 4/3
  38. 1
  39. 5/36
  40. 4/3

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