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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 116 · 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. 1.2/4 + 10/11 =
  2. 2.5/11 − 4/11 =
  3. 3.6/9 − 3/5 =
  4. 4.1/12 + 5/11 =
  5. 5.5/7 − 3/5 =
  6. 6.2/6 + 5/6 =
  7. 7.1/2 + 6/7 =
  8. 8.1/3 + 5/7 =
  9. 9.1/3 + 3/7 =
  10. 10.2/5 + 1/2 =
  11. 11.2/9 + 1/2 =
  12. 12.2/9 + 7/12 =
  13. 13.3/5 + 7/12 =
  14. 14.1/2 − 1/6 =
  15. 15.1/3 + 5/12 =
  16. 16.3/6 + 7/8 =
  17. 17.10/11 − 6/11 =
  18. 18.3/8 + 1/4 =
  19. 19.7/8 + 7/10 =
  20. 20.7/8 + 8/10 =
  21. 21.4/5 − 2/3 =
  22. 22.2/11 + 7/12 =
  23. 23.3/12 + 3/4 =
  24. 24.2/12 + 3/4 =
  25. 25.1/2 + 2/10 =
  26. 26.5/7 − 7/10 =
  27. 27.5/10 + 1/4 =
  28. 28.7/11 − 3/6 =
  29. 29.2/12 − 1/8 =
  30. 30.2/4 − 1/4 =
  31. 31.1/3 + 6/7 =
  32. 32.4/11 + 1/5 =
  33. 33.2/3 + 3/8 =
  34. 34.2/7 + 2/3 =
  35. 35.2/6 + 4/7 =
  36. 36.6/12 − 2/7 =
  37. 37.8/9 − 1/4 =
  38. 38.1/3 + 4/12 =
  39. 39.2/3 − 1/2 =
  40. 40.1/2 + 1/2 =

Answer key

  1. 31/22
  2. 1/11
  3. 1/15
  4. 71/132
  5. 4/35
  6. 7/6
  7. 19/14
  8. 22/21
  9. 16/21
  10. 9/10
  11. 13/18
  12. 29/36
  13. 71/60
  14. 1/3
  15. 3/4
  16. 11/8
  17. 4/11
  18. 5/8
  19. 63/40
  20. 67/40
  21. 2/15
  22. 101/132
  23. 1
  24. 11/12
  25. 7/10
  26. 1/70
  27. 3/4
  28. 3/22
  29. 1/24
  30. 1/4
  31. 25/21
  32. 31/55
  33. 25/24
  34. 20/21
  35. 19/21
  36. 3/14
  37. 23/36
  38. 2/3
  39. 1/6
  40. 1

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