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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 424 · 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 + 1/8 =
  2. 2.7/11 + 1/4 =
  3. 3.2/4 + 2/4 =
  4. 4.10/12 − 3/11 =
  5. 5.6/8 − 2/4 =
  6. 6.5/9 + 4/6 =
  7. 7.2/3 + 4/7 =
  8. 8.1/4 + 3/6 =
  9. 9.1/3 + 4/6 =
  10. 10.1/2 + 5/12 =
  11. 11.1/2 + 1/2 =
  12. 12.1/2 + 3/4 =
  13. 13.7/12 − 3/9 =
  14. 14.1/3 − 1/7 =
  15. 15.3/5 − 1/5 =
  16. 16.5/6 − 1/2 =
  17. 17.7/11 − 1/4 =
  18. 18.1/5 + 1/3 =
  19. 19.1/2 + 1/9 =
  20. 20.2/12 + 1/8 =
  21. 21.9/10 − 5/6 =
  22. 22.4/10 + 7/9 =
  23. 23.2/7 + 4/5 =
  24. 24.3/5 − 2/5 =
  25. 25.2/3 + 7/11 =
  26. 26.1/2 + 1/2 =
  27. 27.2/3 − 3/10 =
  28. 28.7/9 − 2/7 =
  29. 29.4/8 − 2/8 =
  30. 30.4/7 + 1/2 =
  31. 31.2/5 + 1/5 =
  32. 32.8/12 + 4/6 =
  33. 33.3/7 + 3/11 =
  34. 34.1/5 + 10/12 =
  35. 35.6/12 − 3/12 =
  36. 36.1/5 + 4/9 =
  37. 37.4/6 + 3/10 =
  38. 38.2/3 − 1/2 =
  39. 39.5/9 − 3/6 =
  40. 40.7/11 − 5/9 =

Answer key

  1. 5/8
  2. 39/44
  3. 1
  4. 37/66
  5. 1/4
  6. 11/9
  7. 26/21
  8. 3/4
  9. 1
  10. 11/12
  11. 1
  12. 5/4
  13. 1/4
  14. 4/21
  15. 2/5
  16. 1/3
  17. 17/44
  18. 8/15
  19. 11/18
  20. 7/24
  21. 1/15
  22. 53/45
  23. 38/35
  24. 1/5
  25. 43/33
  26. 1
  27. 11/30
  28. 31/63
  29. 1/4
  30. 15/14
  31. 3/5
  32. 4/3
  33. 54/77
  34. 31/30
  35. 1/4
  36. 29/45
  37. 29/30
  38. 1/6
  39. 1/18
  40. 8/99

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