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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 113 · 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. 1.3/11 + 1/3 =
  2. 2.5/10 − 3/7 =
  3. 3.5/6 + 1/2 =
  4. 4.3/6 + 1/5 =
  5. 5.1/10 + 1/2 =
  6. 6.6/9 − 2/11 =
  7. 7.8/9 + 2/3 =
  8. 8.2/3 + 1/9 =
  9. 9.2/8 + 3/4 =
  10. 10.4/7 − 1/2 =
  11. 11.1/2 + 2/10 =
  12. 12.2/8 + 1/7 =
  13. 13.3/6 + 3/8 =
  14. 14.2/3 − 2/7 =
  15. 15.4/8 + 2/9 =
  16. 16.3/5 − 1/3 =
  17. 17.10/11 − 2/3 =
  18. 18.8/9 − 5/6 =
  19. 19.3/6 + 2/5 =
  20. 20.8/11 + 1/2 =
  21. 21.1/2 + 2/7 =
  22. 22.4/9 − 1/3 =
  23. 23.3/4 + 8/10 =
  24. 24.1/2 + 5/10 =
  25. 25.2/3 − 4/7 =
  26. 26.6/9 − 3/9 =
  27. 27.10/11 − 3/7 =
  28. 28.6/9 − 1/7 =
  29. 29.2/4 + 5/8 =
  30. 30.1/4 + 1/2 =
  31. 31.2/4 + 2/4 =
  32. 32.2/4 + 5/11 =
  33. 33.2/3 − 5/11 =
  34. 34.4/6 + 3/8 =
  35. 35.7/9 − 2/7 =
  36. 36.1/11 + 1/2 =
  37. 37.1/2 + 2/3 =
  38. 38.1/2 + 1/2 =
  39. 39.1/2 + 3/6 =
  40. 40.5/11 + 5/6 =

Answer key

  1. 20/33
  2. 1/14
  3. 4/3
  4. 7/10
  5. 3/5
  6. 16/33
  7. 14/9
  8. 7/9
  9. 1
  10. 1/14
  11. 7/10
  12. 11/28
  13. 7/8
  14. 8/21
  15. 13/18
  16. 4/15
  17. 8/33
  18. 1/18
  19. 9/10
  20. 27/22
  21. 11/14
  22. 1/9
  23. 31/20
  24. 1
  25. 2/21
  26. 1/3
  27. 37/77
  28. 11/21
  29. 9/8
  30. 3/4
  31. 1
  32. 21/22
  33. 7/33
  34. 25/24
  35. 31/63
  36. 13/22
  37. 7/6
  38. 1
  39. 1
  40. 85/66

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