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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 930 · 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. 1.5/11 + 1/2 =
  2. 2.2/10 + 1/2 =
  3. 3.4/8 + 5/6 =
  4. 4.8/10 − 1/6 =
  5. 5.7/12 − 1/5 =
  6. 6.1/7 − 1/11 =
  7. 7.2/8 + 5/6 =
  8. 8.1/11 + 7/12 =
  9. 9.6/7 − 1/4 =
  10. 10.3/10 + 3/4 =
  11. 11.6/11 − 1/10 =
  12. 12.5/8 + 6/9 =
  13. 13.1/2 + 3/5 =
  14. 14.4/10 − 1/3 =
  15. 15.6/8 − 1/2 =
  16. 16.6/8 − 6/9 =
  17. 17.4/6 + 4/9 =
  18. 18.9/10 − 6/12 =
  19. 19.2/6 + 2/10 =
  20. 20.2/3 + 3/6 =
  21. 21.5/8 + 3/4 =
  22. 22.1/5 + 4/5 =
  23. 23.2/6 − 1/4 =
  24. 24.8/12 + 5/12 =
  25. 25.1/7 + 2/3 =
  26. 26.1/2 + 1/3 =
  27. 27.6/11 + 2/7 =
  28. 28.7/8 + 1/6 =
  29. 29.4/6 + 3/8 =
  30. 30.11/12 − 2/7 =
  31. 31.1/5 + 3/5 =
  32. 32.1/3 − 2/10 =
  33. 33.3/11 + 1/2 =
  34. 34.2/3 − 3/6 =
  35. 35.1/2 − 2/5 =
  36. 36.10/12 − 1/5 =
  37. 37.7/9 − 2/3 =
  38. 38.5/6 + 1/4 =
  39. 39.1/2 − 1/10 =
  40. 40.3/5 + 1/2 =

Answer key

  1. 21/22
  2. 7/10
  3. 4/3
  4. 19/30
  5. 23/60
  6. 4/77
  7. 13/12
  8. 89/132
  9. 17/28
  10. 21/20
  11. 49/110
  12. 31/24
  13. 11/10
  14. 1/15
  15. 1/4
  16. 1/12
  17. 10/9
  18. 2/5
  19. 8/15
  20. 7/6
  21. 11/8
  22. 1
  23. 1/12
  24. 13/12
  25. 17/21
  26. 5/6
  27. 64/77
  28. 25/24
  29. 25/24
  30. 53/84
  31. 4/5
  32. 2/15
  33. 17/22
  34. 1/6
  35. 1/10
  36. 19/30
  37. 1/9
  38. 13/12
  39. 2/5
  40. 11/10

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