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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 435 · 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 + 11/12 =
  2. 2.3/4 + 8/12 =
  3. 3.7/11 + 2/9 =
  4. 4.3/11 + 6/10 =
  5. 5.3/4 + 2/3 =
  6. 6.6/8 − 1/3 =
  7. 7.2/9 + 1/3 =
  8. 8.8/10 + 2/8 =
  9. 9.1/2 − 2/6 =
  10. 10.4/5 + 3/12 =
  11. 11.3/11 + 2/4 =
  12. 12.1/5 + 2/4 =
  13. 13.2/11 + 5/11 =
  14. 14.1/2 + 1/2 =
  15. 15.3/7 + 2/3 =
  16. 16.8/9 + 5/6 =
  17. 17.4/11 − 1/4 =
  18. 18.1/2 + 5/6 =
  19. 19.7/11 − 2/7 =
  20. 20.1/3 + 4/9 =
  21. 21.6/12 + 5/7 =
  22. 22.1/2 + 1/3 =
  23. 23.1/9 + 2/12 =
  24. 24.1/2 + 7/11 =
  25. 25.3/7 + 3/10 =
  26. 26.1/2 + 2/4 =
  27. 27.1/4 + 3/7 =
  28. 28.4/11 − 2/8 =
  29. 29.3/4 + 4/5 =
  30. 30.1/2 + 4/8 =
  31. 31.4/7 − 6/11 =
  32. 32.1/2 + 7/9 =
  33. 33.2/3 + 4/9 =
  34. 34.4/12 + 1/11 =
  35. 35.1/3 + 3/11 =
  36. 36.6/8 − 2/8 =
  37. 37.6/9 − 1/7 =
  38. 38.7/8 + 3/12 =
  39. 39.1/6 + 1/5 =
  40. 40.2/7 − 1/5 =

Answer key

  1. 17/12
  2. 17/12
  3. 85/99
  4. 48/55
  5. 17/12
  6. 5/12
  7. 5/9
  8. 21/20
  9. 1/6
  10. 21/20
  11. 17/22
  12. 7/10
  13. 7/11
  14. 1
  15. 23/21
  16. 31/18
  17. 5/44
  18. 4/3
  19. 27/77
  20. 7/9
  21. 17/14
  22. 5/6
  23. 5/18
  24. 25/22
  25. 51/70
  26. 1
  27. 19/28
  28. 5/44
  29. 31/20
  30. 1
  31. 2/77
  32. 23/18
  33. 10/9
  34. 14/33
  35. 20/33
  36. 1/2
  37. 11/21
  38. 9/8
  39. 11/30
  40. 3/35

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