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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 164 · 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 − 2/8 =
  2. 2.2/4 + 1/2 =
  3. 3.2/8 + 10/11 =
  4. 4.1/2 + 3/6 =
  5. 5.1/2 − 1/9 =
  6. 6.2/5 − 3/9 =
  7. 7.5/6 + 5/7 =
  8. 8.1/2 + 4/10 =
  9. 9.9/11 − 2/3 =
  10. 10.5/7 − 2/5 =
  11. 11.10/12 − 2/6 =
  12. 12.1/2 − 1/8 =
  13. 13.1/2 + 2/6 =
  14. 14.10/12 − 1/10 =
  15. 15.3/4 − 1/11 =
  16. 16.2/3 + 5/9 =
  17. 17.6/8 + 1/3 =
  18. 18.4/8 − 2/10 =
  19. 19.11/12 − 5/9 =
  20. 20.4/8 − 1/6 =
  21. 21.9/10 − 4/6 =
  22. 22.8/9 − 3/7 =
  23. 23.5/8 + 3/4 =
  24. 24.1/2 + 1/4 =
  25. 25.1/2 + 6/7 =
  26. 26.9/10 + 2/5 =
  27. 27.6/7 − 8/11 =
  28. 28.4/8 + 4/9 =
  29. 29.8/10 − 1/2 =
  30. 30.5/8 + 3/6 =
  31. 31.1/2 − 3/12 =
  32. 32.1/7 + 1/5 =
  33. 33.2/3 − 3/6 =
  34. 34.3/6 − 2/5 =
  35. 35.10/12 − 1/2 =
  36. 36.8/9 − 8/10 =
  37. 37.3/4 + 1/4 =
  38. 38.3/4 + 3/4 =
  39. 39.1/2 + 1/11 =
  40. 40.6/7 − 3/10 =

Answer key

  1. 1/4
  2. 1
  3. 51/44
  4. 1
  5. 7/18
  6. 1/15
  7. 65/42
  8. 9/10
  9. 5/33
  10. 11/35
  11. 1/2
  12. 3/8
  13. 5/6
  14. 11/15
  15. 29/44
  16. 11/9
  17. 13/12
  18. 3/10
  19. 13/36
  20. 1/3
  21. 7/30
  22. 29/63
  23. 11/8
  24. 3/4
  25. 19/14
  26. 13/10
  27. 10/77
  28. 17/18
  29. 3/10
  30. 9/8
  31. 1/4
  32. 12/35
  33. 1/6
  34. 1/10
  35. 1/3
  36. 4/45
  37. 1
  38. 3/2
  39. 13/22
  40. 39/70

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