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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 517 · 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. 1.3/4 − 1/2 =
  2. 2.6/11 + 3/4 =
  3. 3.3/5 + 2/5 =
  4. 4.6/9 + 1/2 =
  5. 5.6/7 + 5/11 =
  6. 6.9/10 − 3/7 =
  7. 7.2/5 + 3/5 =
  8. 8.1/2 − 1/4 =
  9. 9.1/4 + 3/6 =
  10. 10.2/10 + 1/5 =
  11. 11.4/6 + 2/8 =
  12. 12.2/10 + 2/4 =
  13. 13.5/6 − 1/10 =
  14. 14.3/6 + 1/6 =
  15. 15.6/9 − 1/2 =
  16. 16.1/4 + 3/4 =
  17. 17.4/12 + 1/6 =
  18. 18.9/11 + 3/9 =
  19. 19.1/2 + 4/7 =
  20. 20.8/12 − 1/2 =
  21. 21.3/4 + 1/4 =
  22. 22.9/10 − 1/2 =
  23. 23.1/12 + 2/4 =
  24. 24.2/4 + 3/6 =
  25. 25.4/9 − 1/5 =
  26. 26.3/7 + 1/4 =
  27. 27.10/11 − 1/2 =
  28. 28.1/3 + 2/6 =
  29. 29.6/8 − 4/6 =
  30. 30.6/9 + 2/3 =
  31. 31.1/3 + 4/7 =
  32. 32.1/12 + 6/7 =
  33. 33.1/2 + 1/2 =
  34. 34.1/2 + 2/5 =
  35. 35.1/3 + 8/11 =
  36. 36.4/11 + 4/6 =
  37. 37.11/12 − 1/12 =
  38. 38.5/6 − 7/12 =
  39. 39.10/11 + 5/7 =
  40. 40.2/8 + 4/6 =

Answer key

  1. 1/4
  2. 57/44
  3. 1
  4. 7/6
  5. 101/77
  6. 33/70
  7. 1
  8. 1/4
  9. 3/4
  10. 2/5
  11. 11/12
  12. 7/10
  13. 11/15
  14. 2/3
  15. 1/6
  16. 1
  17. 1/2
  18. 38/33
  19. 15/14
  20. 1/6
  21. 1
  22. 2/5
  23. 7/12
  24. 1
  25. 11/45
  26. 19/28
  27. 9/22
  28. 2/3
  29. 1/12
  30. 4/3
  31. 19/21
  32. 79/84
  33. 1
  34. 9/10
  35. 35/33
  36. 34/33
  37. 5/6
  38. 1/4
  39. 125/77
  40. 11/12

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