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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 813 · 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. 1.5/9 − 1/6 =
  2. 2.1/7 + 4/6 =
  3. 3.2/8 + 4/8 =
  4. 4.1/6 + 5/6 =
  5. 5.5/7 + 6/9 =
  6. 6.2/6 + 1/2 =
  7. 7.2/7 − 1/4 =
  8. 8.2/5 + 4/6 =
  9. 9.2/8 − 1/5 =
  10. 10.1/2 − 1/4 =
  11. 11.7/12 − 1/5 =
  12. 12.2/6 − 1/9 =
  13. 13.5/10 + 1/8 =
  14. 14.1/2 − 3/11 =
  15. 15.6/8 + 2/6 =
  16. 16.10/11 − 3/7 =
  17. 17.6/7 − 5/9 =
  18. 18.5/7 + 1/2 =
  19. 19.2/6 + 2/4 =
  20. 20.2/8 − 1/6 =
  21. 21.4/9 − 1/4 =
  22. 22.3/5 − 4/7 =
  23. 23.1/2 + 2/3 =
  24. 24.1/4 + 3/11 =
  25. 25.6/8 + 2/3 =
  26. 26.3/6 + 1/2 =
  27. 27.2/3 + 4/5 =
  28. 28.2/3 − 1/5 =
  29. 29.1/8 + 1/3 =
  30. 30.7/8 − 9/11 =
  31. 31.6/9 + 4/10 =
  32. 32.1/2 + 2/3 =
  33. 33.10/11 + 4/11 =
  34. 34.6/8 − 1/3 =
  35. 35.9/10 + 5/10 =
  36. 36.2/5 − 3/9 =
  37. 37.1/2 + 1/2 =
  38. 38.2/5 + 4/6 =
  39. 39.1/3 + 1/3 =
  40. 40.5/7 − 6/11 =

Answer key

  1. 7/18
  2. 17/21
  3. 3/4
  4. 1
  5. 29/21
  6. 5/6
  7. 1/28
  8. 16/15
  9. 1/20
  10. 1/4
  11. 23/60
  12. 2/9
  13. 5/8
  14. 5/22
  15. 13/12
  16. 37/77
  17. 19/63
  18. 17/14
  19. 5/6
  20. 1/12
  21. 7/36
  22. 1/35
  23. 7/6
  24. 23/44
  25. 17/12
  26. 1
  27. 22/15
  28. 7/15
  29. 11/24
  30. 5/88
  31. 16/15
  32. 7/6
  33. 14/11
  34. 5/12
  35. 7/5
  36. 1/15
  37. 1
  38. 16/15
  39. 2/3
  40. 13/77

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