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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 583 · 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. 1.10/12 + 4/5 =
  2. 2.1/12 + 1/2 =
  3. 3.5/10 + 1/2 =
  4. 4.1/2 + 5/8 =
  5. 5.5/6 + 1/3 =
  6. 6.2/11 + 4/10 =
  7. 7.2/3 − 1/4 =
  8. 8.11/12 − 3/5 =
  9. 9.3/4 + 4/11 =
  10. 10.1/2 + 5/7 =
  11. 11.3/5 − 1/9 =
  12. 12.1/2 − 1/6 =
  13. 13.5/8 − 3/5 =
  14. 14.10/11 − 3/4 =
  15. 15.1/12 + 9/11 =
  16. 16.2/5 + 2/5 =
  17. 17.3/9 + 6/8 =
  18. 18.3/4 + 4/12 =
  19. 19.3/5 − 2/9 =
  20. 20.6/7 − 4/10 =
  21. 21.1/5 + 3/5 =
  22. 22.10/12 − 6/11 =
  23. 23.10/12 − 2/6 =
  24. 24.4/8 + 1/2 =
  25. 25.4/9 + 1/9 =
  26. 26.1/2 − 3/12 =
  27. 27.6/7 + 8/11 =
  28. 28.1/6 − 1/10 =
  29. 29.3/10 + 1/2 =
  30. 30.3/5 + 3/6 =
  31. 31.6/8 − 2/6 =
  32. 32.1/2 − 4/12 =
  33. 33.8/11 − 1/2 =
  34. 34.2/6 + 3/4 =
  35. 35.1/4 + 3/4 =
  36. 36.4/7 + 1/6 =
  37. 37.2/8 + 1/7 =
  38. 38.3/7 + 1/3 =
  39. 39.7/11 − 1/2 =
  40. 40.2/3 + 1/6 =

Answer key

  1. 49/30
  2. 7/12
  3. 1
  4. 9/8
  5. 7/6
  6. 32/55
  7. 5/12
  8. 19/60
  9. 49/44
  10. 17/14
  11. 22/45
  12. 1/3
  13. 1/40
  14. 7/44
  15. 119/132
  16. 4/5
  17. 13/12
  18. 13/12
  19. 17/45
  20. 16/35
  21. 4/5
  22. 19/66
  23. 1/2
  24. 1
  25. 5/9
  26. 1/4
  27. 122/77
  28. 1/15
  29. 4/5
  30. 11/10
  31. 5/12
  32. 1/6
  33. 5/22
  34. 13/12
  35. 1
  36. 31/42
  37. 11/28
  38. 16/21
  39. 3/22
  40. 5/6

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