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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 626 · 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. 1.1/3 + 9/10 =
  2. 2.6/8 + 3/5 =
  3. 3.5/9 + 2/8 =
  4. 4.1/4 + 2/5 =
  5. 5.1/2 + 2/7 =
  6. 6.1/2 − 2/11 =
  7. 7.6/10 + 2/10 =
  8. 8.1/8 + 8/9 =
  9. 9.3/5 − 1/2 =
  10. 10.3/4 + 1/3 =
  11. 11.4/9 + 4/9 =
  12. 12.3/5 − 2/8 =
  13. 13.1/5 + 4/6 =
  14. 14.4/11 + 1/2 =
  15. 15.1/2 + 1/6 =
  16. 16.5/11 − 2/5 =
  17. 17.2/5 + 2/9 =
  18. 18.1/4 + 1/3 =
  19. 19.1/8 + 8/12 =
  20. 20.5/6 + 1/2 =
  21. 21.7/11 + 2/3 =
  22. 22.2/3 − 1/2 =
  23. 23.2/10 + 4/8 =
  24. 24.10/11 − 9/11 =
  25. 25.9/10 + 7/11 =
  26. 26.3/11 + 3/6 =
  27. 27.5/6 − 1/2 =
  28. 28.1/4 + 2/10 =
  29. 29.8/9 − 3/6 =
  30. 30.1/4 + 3/4 =
  31. 31.2/8 + 3/4 =
  32. 32.3/7 − 5/12 =
  33. 33.3/8 + 1/3 =
  34. 34.6/8 + 1/8 =
  35. 35.8/11 + 1/2 =
  36. 36.4/6 − 2/4 =
  37. 37.1/4 + 3/8 =
  38. 38.1/4 + 2/5 =
  39. 39.1/2 − 2/7 =
  40. 40.1/4 + 3/10 =

Answer key

  1. 37/30
  2. 27/20
  3. 29/36
  4. 13/20
  5. 11/14
  6. 7/22
  7. 4/5
  8. 73/72
  9. 1/10
  10. 13/12
  11. 8/9
  12. 7/20
  13. 13/15
  14. 19/22
  15. 2/3
  16. 3/55
  17. 28/45
  18. 7/12
  19. 19/24
  20. 4/3
  21. 43/33
  22. 1/6
  23. 7/10
  24. 1/11
  25. 169/110
  26. 17/22
  27. 1/3
  28. 9/20
  29. 7/18
  30. 1
  31. 1
  32. 1/84
  33. 17/24
  34. 7/8
  35. 27/22
  36. 1/6
  37. 5/8
  38. 13/20
  39. 3/14
  40. 11/20

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