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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 488 · 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. 1.2/9 + 4/6 =
  2. 2.4/10 − 1/3 =
  3. 3.5/8 − 1/3 =
  4. 4.5/10 + 1/2 =
  5. 5.1/8 + 7/8 =
  6. 6.5/12 + 1/3 =
  7. 7.1/2 + 4/7 =
  8. 8.2/9 + 2/6 =
  9. 9.5/11 − 1/7 =
  10. 10.9/10 − 2/7 =
  11. 11.3/4 + 1/2 =
  12. 12.9/11 + 1/2 =
  13. 13.9/12 − 4/7 =
  14. 14.6/9 − 2/4 =
  15. 15.3/4 + 2/3 =
  16. 16.4/10 + 6/8 =
  17. 17.6/12 + 1/11 =
  18. 18.3/5 − 1/3 =
  19. 19.3/12 − 1/9 =
  20. 20.1/3 + 2/8 =
  21. 21.2/3 + 3/7 =
  22. 22.1/2 + 5/9 =
  23. 23.1/11 + 1/3 =
  24. 24.9/12 + 5/8 =
  25. 25.1/2 + 5/12 =
  26. 26.4/5 − 8/12 =
  27. 27.5/6 − 1/2 =
  28. 28.3/5 + 4/8 =
  29. 29.2/5 − 2/10 =
  30. 30.4/6 + 4/5 =
  31. 31.1/2 + 1/12 =
  32. 32.1/3 + 10/12 =
  33. 33.7/10 + 2/4 =
  34. 34.1/2 + 1/12 =
  35. 35.1/3 + 1/2 =
  36. 36.9/10 + 2/4 =
  37. 37.1/4 + 4/7 =
  38. 38.1/2 + 2/3 =
  39. 39.5/6 + 1/4 =
  40. 40.2/3 + 11/12 =

Answer key

  1. 8/9
  2. 1/15
  3. 7/24
  4. 1
  5. 1
  6. 3/4
  7. 15/14
  8. 5/9
  9. 24/77
  10. 43/70
  11. 5/4
  12. 29/22
  13. 5/28
  14. 1/6
  15. 17/12
  16. 23/20
  17. 13/22
  18. 4/15
  19. 5/36
  20. 7/12
  21. 23/21
  22. 19/18
  23. 14/33
  24. 11/8
  25. 11/12
  26. 2/15
  27. 1/3
  28. 11/10
  29. 1/5
  30. 22/15
  31. 7/12
  32. 7/6
  33. 6/5
  34. 7/12
  35. 5/6
  36. 7/5
  37. 23/28
  38. 7/6
  39. 13/12
  40. 19/12

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