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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 383 · 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. 1.3/6 + 7/12 =
  2. 2.6/9 + 3/6 =
  3. 3.4/5 − 2/3 =
  4. 4.5/7 − 1/2 =
  5. 5.6/11 + 6/8 =
  6. 6.3/6 + 1/6 =
  7. 7.1/12 + 5/7 =
  8. 8.7/10 + 1/2 =
  9. 9.1/2 + 9/10 =
  10. 10.1/2 − 1/5 =
  11. 11.3/6 + 2/4 =
  12. 12.2/7 − 1/9 =
  13. 13.7/12 − 4/12 =
  14. 14.1/2 − 2/11 =
  15. 15.1/3 + 3/4 =
  16. 16.3/6 + 1/5 =
  17. 17.1/11 + 10/11 =
  18. 18.1/2 + 1/8 =
  19. 19.1/2 + 4/7 =
  20. 20.2/3 − 1/4 =
  21. 21.5/12 + 2/10 =
  22. 22.2/7 + 1/4 =
  23. 23.1/4 + 3/11 =
  24. 24.1/3 + 1/11 =
  25. 25.5/6 + 3/5 =
  26. 26.2/5 − 1/4 =
  27. 27.1/2 − 4/11 =
  28. 28.5/11 − 1/3 =
  29. 29.9/12 − 1/3 =
  30. 30.1/3 + 1/2 =
  31. 31.1/8 + 6/11 =
  32. 32.3/7 + 1/3 =
  33. 33.1/2 + 3/9 =
  34. 34.7/12 + 7/8 =
  35. 35.7/8 − 1/5 =
  36. 36.2/3 + 2/10 =
  37. 37.1/2 + 2/9 =
  38. 38.9/10 − 6/7 =
  39. 39.4/7 + 2/3 =
  40. 40.6/8 + 4/7 =

Answer key

  1. 13/12
  2. 7/6
  3. 2/15
  4. 3/14
  5. 57/44
  6. 2/3
  7. 67/84
  8. 6/5
  9. 7/5
  10. 3/10
  11. 1
  12. 11/63
  13. 1/4
  14. 7/22
  15. 13/12
  16. 7/10
  17. 1
  18. 5/8
  19. 15/14
  20. 5/12
  21. 37/60
  22. 15/28
  23. 23/44
  24. 14/33
  25. 43/30
  26. 3/20
  27. 3/22
  28. 4/33
  29. 5/12
  30. 5/6
  31. 59/88
  32. 16/21
  33. 5/6
  34. 35/24
  35. 27/40
  36. 13/15
  37. 13/18
  38. 3/70
  39. 26/21
  40. 37/28

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