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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 440 · 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 − 6/11 =
  2. 2.4/6 + 1/5 =
  3. 3.1/2 + 4/8 =
  4. 4.1/3 + 3/8 =
  5. 5.7/9 + 1/5 =
  6. 6.3/8 + 2/6 =
  7. 7.1/2 + 5/11 =
  8. 8.3/4 − 4/6 =
  9. 9.10/12 − 3/11 =
  10. 10.1/2 + 2/3 =
  11. 11.9/10 + 1/2 =
  12. 12.4/7 + 2/3 =
  13. 13.2/3 − 1/2 =
  14. 14.2/6 + 1/5 =
  15. 15.1/3 + 3/7 =
  16. 16.1/4 + 3/5 =
  17. 17.8/10 − 2/3 =
  18. 18.8/9 − 1/2 =
  19. 19.1/6 + 1/6 =
  20. 20.5/11 − 5/12 =
  21. 21.3/10 + 4/12 =
  22. 22.6/9 − 2/7 =
  23. 23.7/9 + 3/5 =
  24. 24.1/2 − 3/8 =
  25. 25.2/7 + 2/7 =
  26. 26.3/7 + 2/5 =
  27. 27.5/10 − 1/10 =
  28. 28.4/12 + 2/3 =
  29. 29.9/10 − 1/5 =
  30. 30.1/5 + 1/2 =
  31. 31.4/5 − 5/10 =
  32. 32.3/4 + 1/3 =
  33. 33.3/5 − 2/4 =
  34. 34.2/3 + 5/11 =
  35. 35.1/2 + 2/3 =
  36. 36.4/9 + 1/2 =
  37. 37.6/11 + 6/8 =
  38. 38.2/5 + 6/11 =
  39. 39.9/11 − 2/4 =
  40. 40.1/2 + 9/10 =

Answer key

  1. 1/99
  2. 13/15
  3. 1
  4. 17/24
  5. 44/45
  6. 17/24
  7. 21/22
  8. 1/12
  9. 37/66
  10. 7/6
  11. 7/5
  12. 26/21
  13. 1/6
  14. 8/15
  15. 16/21
  16. 17/20
  17. 2/15
  18. 7/18
  19. 1/3
  20. 5/132
  21. 19/30
  22. 8/21
  23. 62/45
  24. 1/8
  25. 4/7
  26. 29/35
  27. 2/5
  28. 1
  29. 7/10
  30. 7/10
  31. 3/10
  32. 13/12
  33. 1/10
  34. 37/33
  35. 7/6
  36. 17/18
  37. 57/44
  38. 52/55
  39. 7/22
  40. 7/5

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