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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 67 · 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. 1.1/4 + 2/4 =
  2. 2.5/11 + 5/9 =
  3. 3.3/6 + 2/4 =
  4. 4.1/2 + 1/10 =
  5. 5.1/2 − 2/5 =
  6. 6.6/11 + 9/12 =
  7. 7.1/8 + 3/11 =
  8. 8.7/8 + 5/10 =
  9. 9.1/3 + 2/3 =
  10. 10.6/11 + 1/2 =
  11. 11.9/12 − 4/10 =
  12. 12.1/3 + 1/5 =
  13. 13.3/4 − 1/2 =
  14. 14.4/7 − 3/7 =
  15. 15.2/3 + 1/5 =
  16. 16.3/6 − 3/7 =
  17. 17.6/8 + 3/7 =
  18. 18.1/3 + 1/2 =
  19. 19.8/9 + 2/10 =
  20. 20.2/4 − 2/11 =
  21. 21.4/5 − 5/10 =
  22. 22.1/2 + 10/11 =
  23. 23.1/4 + 1/2 =
  24. 24.9/10 + 6/9 =
  25. 25.7/9 − 1/2 =
  26. 26.4/9 + 1/3 =
  27. 27.1/2 + 6/7 =
  28. 28.2/3 − 4/7 =
  29. 29.1/3 + 3/10 =
  30. 30.1/3 + 1/3 =
  31. 31.1/4 + 3/4 =
  32. 32.3/8 + 9/12 =
  33. 33.2/4 + 4/5 =
  34. 34.2/5 + 1/8 =
  35. 35.6/7 + 1/2 =
  36. 36.10/11 + 3/5 =
  37. 37.2/3 + 1/10 =
  38. 38.6/8 − 6/10 =
  39. 39.5/7 − 1/5 =
  40. 40.2/6 − 1/9 =

Answer key

  1. 3/4
  2. 100/99
  3. 1
  4. 3/5
  5. 1/10
  6. 57/44
  7. 35/88
  8. 11/8
  9. 1
  10. 23/22
  11. 7/20
  12. 8/15
  13. 1/4
  14. 1/7
  15. 13/15
  16. 1/14
  17. 33/28
  18. 5/6
  19. 49/45
  20. 7/22
  21. 3/10
  22. 31/22
  23. 3/4
  24. 47/30
  25. 5/18
  26. 7/9
  27. 19/14
  28. 2/21
  29. 19/30
  30. 2/3
  31. 1
  32. 9/8
  33. 13/10
  34. 21/40
  35. 19/14
  36. 83/55
  37. 23/30
  38. 3/20
  39. 18/35
  40. 2/9

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