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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 951 · 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. 1.8/9 − 3/10 =
  2. 2.5/6 + 1/4 =
  3. 3.6/11 + 3/9 =
  4. 4.10/11 + 2/4 =
  5. 5.2/5 + 6/11 =
  6. 6.3/7 + 2/3 =
  7. 7.2/3 + 2/3 =
  8. 8.1/8 + 8/9 =
  9. 9.2/3 + 2/6 =
  10. 10.3/4 + 1/3 =
  11. 11.1/3 − 1/8 =
  12. 12.1/4 + 1/2 =
  13. 13.1/10 + 6/8 =
  14. 14.2/3 − 1/4 =
  15. 15.1/2 − 1/6 =
  16. 16.5/10 + 3/5 =
  17. 17.4/7 + 2/5 =
  18. 18.3/6 − 2/5 =
  19. 19.2/5 + 3/8 =
  20. 20.8/10 + 2/5 =
  21. 21.8/9 + 3/5 =
  22. 22.2/3 + 1/3 =
  23. 23.1/2 + 3/6 =
  24. 24.3/4 + 1/3 =
  25. 25.3/4 − 2/11 =
  26. 26.6/10 − 1/3 =
  27. 27.1/5 + 3/12 =
  28. 28.5/10 + 1/2 =
  29. 29.5/6 + 2/6 =
  30. 30.10/11 + 8/11 =
  31. 31.6/7 + 1/3 =
  32. 32.10/11 − 2/11 =
  33. 33.1/3 + 11/12 =
  34. 34.3/4 − 4/7 =
  35. 35.6/8 + 4/10 =
  36. 36.2/11 + 1/7 =
  37. 37.1/3 − 2/9 =
  38. 38.4/12 + 10/12 =
  39. 39.3/4 + 4/10 =
  40. 40.4/7 + 10/11 =

Answer key

  1. 53/90
  2. 13/12
  3. 29/33
  4. 31/22
  5. 52/55
  6. 23/21
  7. 4/3
  8. 73/72
  9. 1
  10. 13/12
  11. 5/24
  12. 3/4
  13. 17/20
  14. 5/12
  15. 1/3
  16. 11/10
  17. 34/35
  18. 1/10
  19. 31/40
  20. 6/5
  21. 67/45
  22. 1
  23. 1
  24. 13/12
  25. 25/44
  26. 4/15
  27. 9/20
  28. 1
  29. 7/6
  30. 18/11
  31. 25/21
  32. 8/11
  33. 5/4
  34. 5/28
  35. 23/20
  36. 25/77
  37. 1/9
  38. 7/6
  39. 23/20
  40. 114/77

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