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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 509 · 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 + 4/12 =
  2. 2.1/4 + 1/5 =
  3. 3.2/3 + 2/3 =
  4. 4.1/10 + 1/3 =
  5. 5.7/11 + 10/11 =
  6. 6.2/3 − 2/5 =
  7. 7.8/11 + 8/11 =
  8. 8.2/12 + 1/5 =
  9. 9.7/8 + 1/2 =
  10. 10.1/6 + 4/9 =
  11. 11.9/12 − 2/9 =
  12. 12.8/12 + 5/6 =
  13. 13.2/5 − 2/10 =
  14. 14.1/8 + 9/12 =
  15. 15.9/11 + 5/11 =
  16. 16.1/3 − 1/12 =
  17. 17.11/12 − 1/6 =
  18. 18.2/4 + 1/2 =
  19. 19.2/4 + 2/11 =
  20. 20.4/8 − 1/6 =
  21. 21.1/2 + 2/5 =
  22. 22.3/5 + 3/9 =
  23. 23.1/11 + 1/10 =
  24. 24.5/7 + 2/11 =
  25. 25.2/3 + 2/6 =
  26. 26.3/12 + 2/10 =
  27. 27.3/4 − 8/12 =
  28. 28.1/2 + 2/7 =
  29. 29.1/2 + 5/6 =
  30. 30.1/4 − 1/8 =
  31. 31.2/5 − 3/11 =
  32. 32.2/5 − 1/5 =
  33. 33.8/12 − 1/6 =
  34. 34.1/6 + 1/2 =
  35. 35.4/12 − 1/10 =
  36. 36.9/11 + 1/12 =
  37. 37.8/10 + 2/4 =
  38. 38.1/8 + 1/2 =
  39. 39.3/4 + 1/7 =
  40. 40.2/5 + 5/8 =

Answer key

  1. 5/9
  2. 9/20
  3. 4/3
  4. 13/30
  5. 17/11
  6. 4/15
  7. 16/11
  8. 11/30
  9. 11/8
  10. 11/18
  11. 19/36
  12. 3/2
  13. 1/5
  14. 7/8
  15. 14/11
  16. 1/4
  17. 3/4
  18. 1
  19. 15/22
  20. 1/3
  21. 9/10
  22. 14/15
  23. 21/110
  24. 69/77
  25. 1
  26. 9/20
  27. 1/12
  28. 11/14
  29. 4/3
  30. 1/8
  31. 7/55
  32. 1/5
  33. 1/2
  34. 2/3
  35. 7/30
  36. 119/132
  37. 13/10
  38. 5/8
  39. 25/28
  40. 41/40

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