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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 755 · 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. 1.2/3 + 1/2 =
  2. 2.3/4 − 1/2 =
  3. 3.6/9 − 5/9 =
  4. 4.8/12 + 8/12 =
  5. 5.5/8 + 2/4 =
  6. 6.2/4 − 3/8 =
  7. 7.5/8 + 1/3 =
  8. 8.6/8 + 2/3 =
  9. 9.6/11 + 2/8 =
  10. 10.4/6 − 1/2 =
  11. 11.4/5 − 1/6 =
  12. 12.1/4 + 3/5 =
  13. 13.2/4 + 1/11 =
  14. 14.9/11 − 2/12 =
  15. 15.1/3 + 1/3 =
  16. 16.1/2 + 6/8 =
  17. 17.1/2 + 3/5 =
  18. 18.3/4 − 5/11 =
  19. 19.2/4 + 9/10 =
  20. 20.5/7 + 1/3 =
  21. 21.1/3 + 3/5 =
  22. 22.4/11 − 1/4 =
  23. 23.6/8 + 7/12 =
  24. 24.4/5 − 1/2 =
  25. 25.3/5 − 3/11 =
  26. 26.2/7 + 1/7 =
  27. 27.2/3 − 1/3 =
  28. 28.6/12 + 7/10 =
  29. 29.2/3 − 1/4 =
  30. 30.2/9 + 8/11 =
  31. 31.5/9 + 1/6 =
  32. 32.7/10 + 6/8 =
  33. 33.4/5 − 6/11 =
  34. 34.5/12 + 8/10 =
  35. 35.1/3 + 4/7 =
  36. 36.3/11 + 1/2 =
  37. 37.3/6 − 3/8 =
  38. 38.3/4 − 4/7 =
  39. 39.2/12 − 1/9 =
  40. 40.1/4 + 1/3 =

Answer key

  1. 7/6
  2. 1/4
  3. 1/9
  4. 4/3
  5. 9/8
  6. 1/8
  7. 23/24
  8. 17/12
  9. 35/44
  10. 1/6
  11. 19/30
  12. 17/20
  13. 13/22
  14. 43/66
  15. 2/3
  16. 5/4
  17. 11/10
  18. 13/44
  19. 7/5
  20. 22/21
  21. 14/15
  22. 5/44
  23. 4/3
  24. 3/10
  25. 18/55
  26. 3/7
  27. 1/3
  28. 6/5
  29. 5/12
  30. 94/99
  31. 13/18
  32. 29/20
  33. 14/55
  34. 73/60
  35. 19/21
  36. 17/22
  37. 1/8
  38. 5/28
  39. 1/18
  40. 7/12

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