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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 299 · 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. 1.2/9 + 3/6 =
  2. 2.3/4 + 1/5 =
  3. 3.1/3 + 8/9 =
  4. 4.6/9 + 2/3 =
  5. 5.1/8 + 1/12 =
  6. 6.3/9 + 4/11 =
  7. 7.1/3 + 2/9 =
  8. 8.1/3 + 8/9 =
  9. 9.1/4 + 2/5 =
  10. 10.1/2 − 1/4 =
  11. 11.3/4 + 2/6 =
  12. 12.3/4 + 4/6 =
  13. 13.3/9 + 4/5 =
  14. 14.2/3 + 2/7 =
  15. 15.1/3 + 2/3 =
  16. 16.10/12 − 4/6 =
  17. 17.11/12 − 6/12 =
  18. 18.5/8 − 3/5 =
  19. 19.1/3 + 3/11 =
  20. 20.1/4 + 1/2 =
  21. 21.4/5 + 3/10 =
  22. 22.6/11 + 3/10 =
  23. 23.9/10 + 2/5 =
  24. 24.1/2 + 4/12 =
  25. 25.3/11 − 1/11 =
  26. 26.2/4 − 1/5 =
  27. 27.1/11 + 1/11 =
  28. 28.6/9 + 1/2 =
  29. 29.1/2 + 4/7 =
  30. 30.1/2 − 2/12 =
  31. 31.4/9 + 3/5 =
  32. 32.10/12 + 4/5 =
  33. 33.4/6 + 10/12 =
  34. 34.2/5 + 3/11 =
  35. 35.3/6 + 1/2 =
  36. 36.3/5 + 3/6 =
  37. 37.1/2 + 6/8 =
  38. 38.1/2 + 9/10 =
  39. 39.5/9 − 1/4 =
  40. 40.7/8 − 1/10 =

Answer key

  1. 13/18
  2. 19/20
  3. 11/9
  4. 4/3
  5. 5/24
  6. 23/33
  7. 5/9
  8. 11/9
  9. 13/20
  10. 1/4
  11. 13/12
  12. 17/12
  13. 17/15
  14. 20/21
  15. 1
  16. 1/6
  17. 5/12
  18. 1/40
  19. 20/33
  20. 3/4
  21. 11/10
  22. 93/110
  23. 13/10
  24. 5/6
  25. 2/11
  26. 3/10
  27. 2/11
  28. 7/6
  29. 15/14
  30. 1/3
  31. 47/45
  32. 49/30
  33. 3/2
  34. 37/55
  35. 1
  36. 11/10
  37. 5/4
  38. 7/5
  39. 11/36
  40. 31/40

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