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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 847 · 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 − 3/7 =
  2. 2.10/12 − 2/7 =
  3. 3.1/2 + 2/3 =
  4. 4.2/3 + 2/6 =
  5. 5.6/7 + 5/10 =
  6. 6.1/2 − 2/5 =
  7. 7.2/4 + 5/6 =
  8. 8.1/4 + 2/4 =
  9. 9.9/10 + 1/6 =
  10. 10.3/6 + 1/2 =
  11. 11.7/9 − 2/3 =
  12. 12.1/2 + 4/7 =
  13. 13.1/10 + 2/11 =
  14. 14.10/11 + 3/4 =
  15. 15.1/4 + 7/11 =
  16. 16.5/6 + 1/10 =
  17. 17.2/4 − 2/7 =
  18. 18.2/4 − 2/12 =
  19. 19.2/3 − 2/11 =
  20. 20.2/5 + 2/4 =
  21. 21.5/11 + 1/2 =
  22. 22.1/4 − 1/11 =
  23. 23.4/8 + 1/3 =
  24. 24.3/4 − 3/6 =
  25. 25.1/2 + 5/8 =
  26. 26.1/4 + 5/6 =
  27. 27.2/3 + 1/5 =
  28. 28.7/8 − 2/4 =
  29. 29.6/10 − 2/8 =
  30. 30.2/3 − 1/3 =
  31. 31.1/11 + 8/11 =
  32. 32.2/7 + 4/10 =
  33. 33.1/2 + 6/9 =
  34. 34.3/6 − 1/4 =
  35. 35.5/9 − 2/4 =
  36. 36.1/8 + 1/2 =
  37. 37.2/3 − 1/5 =
  38. 38.3/5 − 2/10 =
  39. 39.2/7 + 1/10 =
  40. 40.1/3 + 1/2 =

Answer key

  1. 5/21
  2. 23/42
  3. 7/6
  4. 1
  5. 19/14
  6. 1/10
  7. 4/3
  8. 3/4
  9. 16/15
  10. 1
  11. 1/9
  12. 15/14
  13. 31/110
  14. 73/44
  15. 39/44
  16. 14/15
  17. 3/14
  18. 1/3
  19. 16/33
  20. 9/10
  21. 21/22
  22. 7/44
  23. 5/6
  24. 1/4
  25. 9/8
  26. 13/12
  27. 13/15
  28. 3/8
  29. 7/20
  30. 1/3
  31. 9/11
  32. 24/35
  33. 7/6
  34. 1/4
  35. 1/18
  36. 5/8
  37. 7/15
  38. 2/5
  39. 27/70
  40. 5/6

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