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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 463 · 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. 1.4/6 + 2/3 =
  2. 2.7/11 − 2/4 =
  3. 3.1/3 + 5/6 =
  4. 4.2/7 + 3/5 =
  5. 5.4/5 − 3/6 =
  6. 6.3/9 − 1/4 =
  7. 7.4/7 + 1/7 =
  8. 8.6/7 + 1/3 =
  9. 9.4/10 + 8/9 =
  10. 10.3/5 + 1/10 =
  11. 11.2/4 + 1/2 =
  12. 12.2/5 + 3/5 =
  13. 13.2/7 + 2/6 =
  14. 14.2/3 + 2/5 =
  15. 15.3/10 − 1/9 =
  16. 16.1/2 + 2/5 =
  17. 17.1/2 + 1/2 =
  18. 18.4/12 + 9/12 =
  19. 19.3/5 − 3/8 =
  20. 20.4/5 − 1/4 =
  21. 21.4/7 + 1/3 =
  22. 22.1/2 + 3/10 =
  23. 23.3/8 − 1/9 =
  24. 24.10/12 − 1/2 =
  25. 25.1/4 + 2/7 =
  26. 26.1/4 + 6/11 =
  27. 27.1/3 − 1/12 =
  28. 28.1/3 + 6/12 =
  29. 29.1/5 + 3/8 =
  30. 30.6/7 − 8/10 =
  31. 31.7/11 + 1/2 =
  32. 32.3/11 − 1/6 =
  33. 33.1/2 + 3/8 =
  34. 34.3/5 + 1/3 =
  35. 35.10/11 − 6/11 =
  36. 36.10/11 + 1/4 =
  37. 37.9/10 + 2/3 =
  38. 38.2/5 − 1/7 =
  39. 39.1/2 + 2/12 =
  40. 40.8/10 − 4/7 =

Answer key

  1. 4/3
  2. 3/22
  3. 7/6
  4. 31/35
  5. 3/10
  6. 1/12
  7. 5/7
  8. 25/21
  9. 58/45
  10. 7/10
  11. 1
  12. 1
  13. 13/21
  14. 16/15
  15. 17/90
  16. 9/10
  17. 1
  18. 13/12
  19. 9/40
  20. 11/20
  21. 19/21
  22. 4/5
  23. 19/72
  24. 1/3
  25. 15/28
  26. 35/44
  27. 1/4
  28. 5/6
  29. 23/40
  30. 2/35
  31. 25/22
  32. 7/66
  33. 7/8
  34. 14/15
  35. 4/11
  36. 51/44
  37. 47/30
  38. 9/35
  39. 2/3
  40. 8/35

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