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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 739 · 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. 1.9/10 − 5/12 =
  2. 2.10/11 − 1/2 =
  3. 3.4/7 − 3/6 =
  4. 4.6/9 − 6/10 =
  5. 5.5/11 + 1/7 =
  6. 6.1/4 + 3/12 =
  7. 7.1/9 + 2/4 =
  8. 8.1/2 − 2/12 =
  9. 9.3/7 − 2/7 =
  10. 10.5/6 − 3/5 =
  11. 11.8/12 + 4/6 =
  12. 12.1/5 + 9/12 =
  13. 13.9/11 + 8/10 =
  14. 14.2/3 − 2/6 =
  15. 15.7/9 − 4/12 =
  16. 16.3/7 + 6/8 =
  17. 17.1/2 + 1/2 =
  18. 18.3/12 + 7/8 =
  19. 19.2/4 + 1/11 =
  20. 20.5/8 + 3/4 =
  21. 21.2/5 + 2/5 =
  22. 22.1/2 − 2/9 =
  23. 23.7/9 − 2/3 =
  24. 24.4/10 − 1/6 =
  25. 25.1/2 + 7/9 =
  26. 26.1/2 + 1/5 =
  27. 27.4/11 + 7/8 =
  28. 28.4/6 − 4/10 =
  29. 29.1/2 + 3/9 =
  30. 30.8/12 − 1/2 =
  31. 31.1/9 + 1/3 =
  32. 32.2/3 − 1/2 =
  33. 33.4/5 + 6/10 =
  34. 34.2/12 − 1/7 =
  35. 35.4/11 + 5/9 =
  36. 36.1/4 + 1/3 =
  37. 37.1/3 + 3/5 =
  38. 38.3/6 + 1/2 =
  39. 39.11/12 + 4/7 =
  40. 40.2/10 + 3/8 =

Answer key

  1. 29/60
  2. 9/22
  3. 1/14
  4. 1/15
  5. 46/77
  6. 1/2
  7. 11/18
  8. 1/3
  9. 1/7
  10. 7/30
  11. 4/3
  12. 19/20
  13. 89/55
  14. 1/3
  15. 4/9
  16. 33/28
  17. 1
  18. 9/8
  19. 13/22
  20. 11/8
  21. 4/5
  22. 5/18
  23. 1/9
  24. 7/30
  25. 23/18
  26. 7/10
  27. 109/88
  28. 4/15
  29. 5/6
  30. 1/6
  31. 4/9
  32. 1/6
  33. 7/5
  34. 1/42
  35. 91/99
  36. 7/12
  37. 14/15
  38. 1
  39. 125/84
  40. 23/40

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