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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 526 · 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. 1.2/7 + 5/7 =
  2. 2.2/8 + 1/6 =
  3. 3.3/5 + 1/11 =
  4. 4.1/4 + 2/5 =
  5. 5.1/3 + 6/7 =
  6. 6.5/6 + 5/6 =
  7. 7.1/2 + 11/12 =
  8. 8.1/8 + 2/3 =
  9. 9.9/12 − 1/12 =
  10. 10.2/11 + 2/9 =
  11. 11.7/8 − 6/10 =
  12. 12.5/6 + 7/9 =
  13. 13.1/6 + 11/12 =
  14. 14.4/7 + 4/8 =
  15. 15.1/2 + 1/2 =
  16. 16.1/2 + 1/2 =
  17. 17.1/2 + 1/3 =
  18. 18.1/2 − 1/11 =
  19. 19.7/9 + 2/10 =
  20. 20.4/5 + 1/10 =
  21. 21.7/11 + 7/9 =
  22. 22.3/4 + 1/3 =
  23. 23.5/7 + 3/12 =
  24. 24.5/7 + 1/2 =
  25. 25.1/11 + 1/2 =
  26. 26.2/9 + 1/8 =
  27. 27.6/12 + 1/2 =
  28. 28.1/3 + 1/2 =
  29. 29.9/10 − 4/5 =
  30. 30.1/4 + 1/3 =
  31. 31.2/7 + 1/8 =
  32. 32.1/2 − 1/8 =
  33. 33.1/6 + 2/6 =
  34. 34.3/4 + 1/7 =
  35. 35.2/5 + 1/2 =
  36. 36.1/3 − 1/11 =
  37. 37.2/6 + 2/3 =
  38. 38.9/12 − 2/5 =
  39. 39.2/7 + 1/4 =
  40. 40.5/6 − 1/6 =

Answer key

  1. 1
  2. 5/12
  3. 38/55
  4. 13/20
  5. 25/21
  6. 5/3
  7. 17/12
  8. 19/24
  9. 2/3
  10. 40/99
  11. 11/40
  12. 29/18
  13. 13/12
  14. 15/14
  15. 1
  16. 1
  17. 5/6
  18. 9/22
  19. 44/45
  20. 9/10
  21. 140/99
  22. 13/12
  23. 27/28
  24. 17/14
  25. 13/22
  26. 25/72
  27. 1
  28. 5/6
  29. 1/10
  30. 7/12
  31. 23/56
  32. 3/8
  33. 1/2
  34. 25/28
  35. 9/10
  36. 8/33
  37. 1
  38. 7/20
  39. 15/28
  40. 2/3

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