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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 729 · 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. 1.3/4 + 7/10 =
  2. 2.9/11 − 9/12 =
  3. 3.3/4 − 3/8 =
  4. 4.4/7 − 5/9 =
  5. 5.1/2 + 1/2 =
  6. 6.2/4 − 2/6 =
  7. 7.3/7 − 1/3 =
  8. 8.1/3 + 7/11 =
  9. 9.6/9 + 2/7 =
  10. 10.10/12 + 8/11 =
  11. 11.1/4 + 3/5 =
  12. 12.4/8 − 1/11 =
  13. 13.3/8 + 3/4 =
  14. 14.1/4 + 5/10 =
  15. 15.3/8 − 2/11 =
  16. 16.5/8 − 1/2 =
  17. 17.3/9 + 5/6 =
  18. 18.5/6 + 5/8 =
  19. 19.2/10 + 3/5 =
  20. 20.3/11 + 2/11 =
  21. 21.11/12 + 2/8 =
  22. 22.1/2 + 2/3 =
  23. 23.1/6 − 1/7 =
  24. 24.4/6 + 5/8 =
  25. 25.4/5 + 1/7 =
  26. 26.4/5 + 2/4 =
  27. 27.5/8 + 1/2 =
  28. 28.4/6 − 1/9 =
  29. 29.4/6 − 5/9 =
  30. 30.6/11 + 6/11 =
  31. 31.6/9 + 4/5 =
  32. 32.4/8 + 2/4 =
  33. 33.2/3 − 1/9 =
  34. 34.5/8 + 10/11 =
  35. 35.7/8 − 7/9 =
  36. 36.1/2 − 1/7 =
  37. 37.11/12 − 7/8 =
  38. 38.7/12 − 2/9 =
  39. 39.1/2 + 7/11 =
  40. 40.1/4 + 1/3 =

Answer key

  1. 29/20
  2. 3/44
  3. 3/8
  4. 1/63
  5. 1
  6. 1/6
  7. 2/21
  8. 32/33
  9. 20/21
  10. 103/66
  11. 17/20
  12. 9/22
  13. 9/8
  14. 3/4
  15. 17/88
  16. 1/8
  17. 7/6
  18. 35/24
  19. 4/5
  20. 5/11
  21. 7/6
  22. 7/6
  23. 1/42
  24. 31/24
  25. 33/35
  26. 13/10
  27. 9/8
  28. 5/9
  29. 1/9
  30. 12/11
  31. 22/15
  32. 1
  33. 5/9
  34. 135/88
  35. 7/72
  36. 5/14
  37. 1/24
  38. 13/36
  39. 25/22
  40. 7/12

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