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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 168 · 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. 1.3/6 + 3/6 =
  2. 2.4/12 − 1/11 =
  3. 3.1/2 + 2/4 =
  4. 4.1/7 + 6/10 =
  5. 5.4/7 + 2/7 =
  6. 6.5/10 + 8/9 =
  7. 7.1/2 − 2/11 =
  8. 8.10/12 + 4/9 =
  9. 9.10/12 − 3/4 =
  10. 10.3/4 + 1/4 =
  11. 11.2/4 + 4/8 =
  12. 12.2/4 + 7/10 =
  13. 13.3/7 + 1/2 =
  14. 14.2/5 + 4/11 =
  15. 15.2/3 − 1/12 =
  16. 16.10/11 − 4/7 =
  17. 17.1/4 + 1/9 =
  18. 18.1/2 + 4/6 =
  19. 19.5/9 + 1/5 =
  20. 20.2/3 + 4/6 =
  21. 21.1/2 + 5/9 =
  22. 22.2/3 + 4/9 =
  23. 23.4/5 − 1/12 =
  24. 24.1/3 + 1/2 =
  25. 25.6/8 + 1/6 =
  26. 26.4/12 + 1/3 =
  27. 27.6/8 − 2/10 =
  28. 28.2/9 + 1/6 =
  29. 29.2/10 + 4/7 =
  30. 30.2/3 + 1/4 =
  31. 31.4/8 + 4/9 =
  32. 32.1/2 − 1/4 =
  33. 33.10/11 − 1/2 =
  34. 34.6/10 − 1/4 =
  35. 35.4/12 + 2/4 =
  36. 36.2/3 + 1/2 =
  37. 37.1/2 + 5/11 =
  38. 38.2/7 + 1/2 =
  39. 39.4/5 + 2/6 =
  40. 40.1/11 + 5/7 =

Answer key

  1. 1
  2. 8/33
  3. 1
  4. 26/35
  5. 6/7
  6. 25/18
  7. 7/22
  8. 23/18
  9. 1/12
  10. 1
  11. 1
  12. 6/5
  13. 13/14
  14. 42/55
  15. 7/12
  16. 26/77
  17. 13/36
  18. 7/6
  19. 34/45
  20. 4/3
  21. 19/18
  22. 10/9
  23. 43/60
  24. 5/6
  25. 11/12
  26. 2/3
  27. 11/20
  28. 7/18
  29. 27/35
  30. 11/12
  31. 17/18
  32. 1/4
  33. 9/22
  34. 7/20
  35. 5/6
  36. 7/6
  37. 21/22
  38. 11/14
  39. 17/15
  40. 62/77

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