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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 607 · 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. 1.1/2 − 2/9 =
  2. 2.3/12 + 3/4 =
  3. 3.2/8 + 1/2 =
  4. 4.4/6 + 1/2 =
  5. 5.4/5 + 1/5 =
  6. 6.4/9 − 1/3 =
  7. 7.2/4 + 1/2 =
  8. 8.8/11 − 2/4 =
  9. 9.3/4 + 8/11 =
  10. 10.7/12 + 1/12 =
  11. 11.1/2 − 2/5 =
  12. 12.6/10 + 3/6 =
  13. 13.2/6 + 2/5 =
  14. 14.2/10 + 8/9 =
  15. 15.4/6 − 1/3 =
  16. 16.7/9 − 1/9 =
  17. 17.4/5 − 1/3 =
  18. 18.1/11 + 6/7 =
  19. 19.2/3 + 1/3 =
  20. 20.1/5 + 3/5 =
  21. 21.5/8 + 1/3 =
  22. 22.1/3 + 2/10 =
  23. 23.5/11 − 3/11 =
  24. 24.3/10 + 2/6 =
  25. 25.3/5 − 1/3 =
  26. 26.6/9 + 1/3 =
  27. 27.10/12 − 2/6 =
  28. 28.7/9 − 1/3 =
  29. 29.1/2 − 4/12 =
  30. 30.1/2 + 1/3 =
  31. 31.9/11 + 3/6 =
  32. 32.8/12 − 1/6 =
  33. 33.1/4 − 2/9 =
  34. 34.4/6 + 7/12 =
  35. 35.3/6 + 1/2 =
  36. 36.3/7 + 2/3 =
  37. 37.2/5 + 1/4 =
  38. 38.3/11 + 1/7 =
  39. 39.1/4 + 3/4 =
  40. 40.9/11 + 3/6 =

Answer key

  1. 5/18
  2. 1
  3. 3/4
  4. 7/6
  5. 1
  6. 1/9
  7. 1
  8. 5/22
  9. 65/44
  10. 2/3
  11. 1/10
  12. 11/10
  13. 11/15
  14. 49/45
  15. 1/3
  16. 2/3
  17. 7/15
  18. 73/77
  19. 1
  20. 4/5
  21. 23/24
  22. 8/15
  23. 2/11
  24. 19/30
  25. 4/15
  26. 1
  27. 1/2
  28. 4/9
  29. 1/6
  30. 5/6
  31. 29/22
  32. 1/2
  33. 1/36
  34. 5/4
  35. 1
  36. 23/21
  37. 13/20
  38. 32/77
  39. 1
  40. 29/22

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