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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 863 · 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 + 2/3 =
  2. 2.1/3 + 1/2 =
  3. 3.7/8 + 1/2 =
  4. 4.2/5 − 3/9 =
  5. 5.1/2 + 3/5 =
  6. 6.3/7 + 8/11 =
  7. 7.5/7 + 2/6 =
  8. 8.8/11 − 1/3 =
  9. 9.4/8 − 2/10 =
  10. 10.3/4 + 2/4 =
  11. 11.2/7 + 6/9 =
  12. 12.4/5 − 1/10 =
  13. 13.1/7 + 1/3 =
  14. 14.2/3 − 1/3 =
  15. 15.4/6 − 3/5 =
  16. 16.1/2 + 4/5 =
  17. 17.7/9 − 3/8 =
  18. 18.1/3 − 1/10 =
  19. 19.8/10 + 1/5 =
  20. 20.6/7 + 1/2 =
  21. 21.6/7 − 2/12 =
  22. 22.2/10 − 1/7 =
  23. 23.1/4 + 2/3 =
  24. 24.2/3 − 1/7 =
  25. 25.4/5 − 3/7 =
  26. 26.4/5 + 6/10 =
  27. 27.6/10 − 3/12 =
  28. 28.1/12 + 5/9 =
  29. 29.5/12 + 1/8 =
  30. 30.1/5 + 1/2 =
  31. 31.5/7 − 2/7 =
  32. 32.1/2 + 3/12 =
  33. 33.1/2 − 2/5 =
  34. 34.3/4 + 2/3 =
  35. 35.5/7 − 4/8 =
  36. 36.2/3 + 7/8 =
  37. 37.1/2 + 1/3 =
  38. 38.1/11 + 1/2 =
  39. 39.6/8 − 1/3 =
  40. 40.3/5 − 1/7 =

Answer key

  1. 7/6
  2. 5/6
  3. 11/8
  4. 1/15
  5. 11/10
  6. 89/77
  7. 22/21
  8. 13/33
  9. 3/10
  10. 5/4
  11. 20/21
  12. 7/10
  13. 10/21
  14. 1/3
  15. 1/15
  16. 13/10
  17. 29/72
  18. 7/30
  19. 1
  20. 19/14
  21. 29/42
  22. 2/35
  23. 11/12
  24. 11/21
  25. 13/35
  26. 7/5
  27. 7/20
  28. 23/36
  29. 13/24
  30. 7/10
  31. 3/7
  32. 3/4
  33. 1/10
  34. 17/12
  35. 3/14
  36. 37/24
  37. 5/6
  38. 13/22
  39. 5/12
  40. 16/35

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