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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 696 · 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. 1.4/5 + 2/3 =
  2. 2.4/10 + 3/5 =
  3. 3.9/12 − 1/2 =
  4. 4.7/10 + 1/2 =
  5. 5.5/12 + 3/11 =
  6. 6.1/3 + 2/6 =
  7. 7.2/3 + 2/6 =
  8. 8.2/3 + 6/7 =
  9. 9.2/12 + 3/4 =
  10. 10.1/3 + 2/10 =
  11. 11.1/4 + 5/9 =
  12. 12.2/8 + 3/7 =
  13. 13.6/11 − 1/2 =
  14. 14.5/11 + 3/10 =
  15. 15.4/6 − 3/12 =
  16. 16.6/11 − 5/12 =
  17. 17.5/6 − 1/4 =
  18. 18.5/8 − 2/8 =
  19. 19.6/11 − 1/3 =
  20. 20.8/12 − 3/6 =
  21. 21.2/3 + 1/5 =
  22. 22.1/2 + 3/7 =
  23. 23.4/6 − 1/10 =
  24. 24.8/11 + 3/10 =
  25. 25.1/7 + 4/5 =
  26. 26.2/6 − 1/7 =
  27. 27.2/3 + 7/9 =
  28. 28.2/3 + 4/7 =
  29. 29.3/6 + 2/8 =
  30. 30.3/11 + 4/8 =
  31. 31.1/6 + 3/8 =
  32. 32.4/10 − 2/12 =
  33. 33.4/6 + 8/9 =
  34. 34.2/4 + 1/5 =
  35. 35.1/6 + 2/3 =
  36. 36.1/3 − 1/4 =
  37. 37.4/12 + 4/10 =
  38. 38.1/5 + 6/9 =
  39. 39.1/10 + 6/12 =
  40. 40.4/10 + 1/2 =

Answer key

  1. 22/15
  2. 1
  3. 1/4
  4. 6/5
  5. 91/132
  6. 2/3
  7. 1
  8. 32/21
  9. 11/12
  10. 8/15
  11. 29/36
  12. 19/28
  13. 1/22
  14. 83/110
  15. 5/12
  16. 17/132
  17. 7/12
  18. 3/8
  19. 7/33
  20. 1/6
  21. 13/15
  22. 13/14
  23. 17/30
  24. 113/110
  25. 33/35
  26. 4/21
  27. 13/9
  28. 26/21
  29. 3/4
  30. 17/22
  31. 13/24
  32. 7/30
  33. 14/9
  34. 7/10
  35. 5/6
  36. 1/12
  37. 11/15
  38. 13/15
  39. 3/5
  40. 9/10

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