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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 918 · 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 − 1/4 =
  2. 2.3/11 + 4/6 =
  3. 3.1/6 + 7/8 =
  4. 4.3/6 + 4/9 =
  5. 5.9/11 − 2/7 =
  6. 6.7/11 − 2/4 =
  7. 7.4/10 + 5/8 =
  8. 8.1/3 + 2/3 =
  9. 9.1/3 + 1/6 =
  10. 10.2/3 − 2/6 =
  11. 11.4/7 + 3/5 =
  12. 12.2/7 + 1/9 =
  13. 13.2/7 + 4/5 =
  14. 14.1/5 + 3/9 =
  15. 15.10/11 + 4/12 =
  16. 16.6/7 + 9/10 =
  17. 17.8/11 + 5/7 =
  18. 18.1/12 + 1/3 =
  19. 19.10/12 − 2/9 =
  20. 20.2/3 + 2/6 =
  21. 21.1/2 − 1/11 =
  22. 22.1/2 + 7/9 =
  23. 23.3/12 + 9/10 =
  24. 24.5/6 − 3/7 =
  25. 25.1/3 + 6/7 =
  26. 26.6/8 + 3/4 =
  27. 27.6/11 − 2/4 =
  28. 28.1/3 + 1/2 =
  29. 29.2/7 + 9/11 =
  30. 30.4/8 − 2/6 =
  31. 31.7/8 − 6/7 =
  32. 32.1/2 − 1/3 =
  33. 33.4/8 + 6/8 =
  34. 34.1/2 + 6/8 =
  35. 35.3/4 − 2/5 =
  36. 36.3/4 − 1/4 =
  37. 37.2/12 + 1/2 =
  38. 38.1/6 + 1/7 =
  39. 39.7/12 − 2/4 =
  40. 40.6/8 + 8/9 =

Answer key

  1. 1/4
  2. 31/33
  3. 25/24
  4. 17/18
  5. 41/77
  6. 3/22
  7. 41/40
  8. 1
  9. 1/2
  10. 1/3
  11. 41/35
  12. 25/63
  13. 38/35
  14. 8/15
  15. 41/33
  16. 123/70
  17. 111/77
  18. 5/12
  19. 11/18
  20. 1
  21. 9/22
  22. 23/18
  23. 23/20
  24. 17/42
  25. 25/21
  26. 3/2
  27. 1/22
  28. 5/6
  29. 85/77
  30. 1/6
  31. 1/56
  32. 1/6
  33. 5/4
  34. 5/4
  35. 7/20
  36. 1/2
  37. 2/3
  38. 13/42
  39. 1/12
  40. 59/36

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