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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 686 · 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. 1.1/2 + 2/9 =
  2. 2.9/10 − 1/5 =
  3. 3.2/12 − 1/7 =
  4. 4.2/5 + 2/8 =
  5. 5.3/12 + 1/12 =
  6. 6.3/5 − 2/7 =
  7. 7.2/3 − 5/8 =
  8. 8.3/6 + 3/10 =
  9. 9.9/12 − 1/9 =
  10. 10.6/11 − 1/10 =
  11. 11.2/3 + 8/11 =
  12. 12.2/9 + 1/5 =
  13. 13.4/10 + 1/4 =
  14. 14.1/2 + 1/2 =
  15. 15.6/7 − 1/3 =
  16. 16.10/11 − 4/7 =
  17. 17.5/7 + 5/7 =
  18. 18.1/5 + 7/11 =
  19. 19.5/7 + 2/5 =
  20. 20.1/2 + 6/11 =
  21. 21.1/5 + 2/9 =
  22. 22.6/11 + 1/3 =
  23. 23.3/4 + 1/5 =
  24. 24.2/4 + 1/6 =
  25. 25.2/3 + 7/8 =
  26. 26.4/6 + 1/4 =
  27. 27.3/8 − 1/9 =
  28. 28.4/5 + 2/4 =
  29. 29.8/12 − 1/11 =
  30. 30.4/12 + 2/3 =
  31. 31.8/12 + 1/5 =
  32. 32.3/4 + 5/6 =
  33. 33.1/5 + 1/9 =
  34. 34.4/7 + 7/8 =
  35. 35.2/5 + 1/2 =
  36. 36.5/7 − 1/2 =
  37. 37.3/7 + 1/2 =
  38. 38.8/11 + 2/8 =
  39. 39.2/3 − 2/8 =
  40. 40.2/3 + 7/9 =

Answer key

  1. 13/18
  2. 7/10
  3. 1/42
  4. 13/20
  5. 1/3
  6. 11/35
  7. 1/24
  8. 4/5
  9. 23/36
  10. 49/110
  11. 46/33
  12. 19/45
  13. 13/20
  14. 1
  15. 11/21
  16. 26/77
  17. 10/7
  18. 46/55
  19. 39/35
  20. 23/22
  21. 19/45
  22. 29/33
  23. 19/20
  24. 2/3
  25. 37/24
  26. 11/12
  27. 19/72
  28. 13/10
  29. 19/33
  30. 1
  31. 13/15
  32. 19/12
  33. 14/45
  34. 81/56
  35. 9/10
  36. 3/14
  37. 13/14
  38. 43/44
  39. 5/12
  40. 13/9

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