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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 838 · 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 − 1/8 =
  2. 2.1/7 + 6/9 =
  3. 3.4/10 + 3/6 =
  4. 4.6/7 + 2/3 =
  5. 5.1/4 − 2/10 =
  6. 6.1/3 + 3/6 =
  7. 7.3/11 + 4/8 =
  8. 8.6/9 − 1/10 =
  9. 9.2/3 + 3/7 =
  10. 10.6/10 − 4/8 =
  11. 11.2/10 + 6/8 =
  12. 12.3/4 − 5/7 =
  13. 13.2/3 + 5/8 =
  14. 14.1/11 + 1/3 =
  15. 15.4/8 + 1/2 =
  16. 16.4/7 + 3/9 =
  17. 17.3/5 − 1/9 =
  18. 18.9/10 + 2/6 =
  19. 19.5/8 + 1/12 =
  20. 20.4/7 + 3/4 =
  21. 21.1/5 + 6/11 =
  22. 22.1/2 + 1/9 =
  23. 23.1/5 + 7/12 =
  24. 24.3/11 + 3/8 =
  25. 25.9/11 + 3/12 =
  26. 26.8/11 − 1/6 =
  27. 27.4/6 + 3/4 =
  28. 28.7/12 + 2/5 =
  29. 29.3/9 + 4/12 =
  30. 30.1/7 + 3/5 =
  31. 31.1/9 + 3/6 =
  32. 32.8/9 − 2/5 =
  33. 33.2/3 − 6/12 =
  34. 34.5/8 − 1/3 =
  35. 35.1/3 + 1/3 =
  36. 36.2/3 + 1/5 =
  37. 37.10/11 − 9/10 =
  38. 38.3/4 + 1/3 =
  39. 39.2/4 + 2/5 =
  40. 40.6/9 − 4/10 =

Answer key

  1. 3/8
  2. 17/21
  3. 9/10
  4. 32/21
  5. 1/20
  6. 5/6
  7. 17/22
  8. 17/30
  9. 23/21
  10. 1/10
  11. 19/20
  12. 1/28
  13. 31/24
  14. 14/33
  15. 1
  16. 19/21
  17. 22/45
  18. 37/30
  19. 17/24
  20. 37/28
  21. 41/55
  22. 11/18
  23. 47/60
  24. 57/88
  25. 47/44
  26. 37/66
  27. 17/12
  28. 59/60
  29. 2/3
  30. 26/35
  31. 11/18
  32. 22/45
  33. 1/6
  34. 7/24
  35. 2/3
  36. 13/15
  37. 1/110
  38. 13/12
  39. 9/10
  40. 4/15

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