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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 474 · 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. 1.10/11 + 2/3 =
  2. 2.4/5 + 1/10 =
  3. 3.1/7 + 1/7 =
  4. 4.2/7 + 3/12 =
  5. 5.2/8 − 2/9 =
  6. 6.4/10 − 2/8 =
  7. 7.4/6 + 4/9 =
  8. 8.8/9 + 1/2 =
  9. 9.3/5 + 3/11 =
  10. 10.5/6 − 2/6 =
  11. 11.2/4 − 2/5 =
  12. 12.4/12 + 2/6 =
  13. 13.5/11 − 4/10 =
  14. 14.4/11 − 2/10 =
  15. 15.1/7 + 1/7 =
  16. 16.2/3 + 2/5 =
  17. 17.1/2 + 1/3 =
  18. 18.1/2 + 1/11 =
  19. 19.2/9 + 1/10 =
  20. 20.5/7 − 4/9 =
  21. 21.1/4 + 10/11 =
  22. 22.3/6 − 4/9 =
  23. 23.1/3 + 1/2 =
  24. 24.4/11 + 1/3 =
  25. 25.1/2 + 10/12 =
  26. 26.1/5 + 2/7 =
  27. 27.1/2 + 3/8 =
  28. 28.4/10 + 1/6 =
  29. 29.8/11 + 8/9 =
  30. 30.1/2 + 1/2 =
  31. 31.1/5 + 2/9 =
  32. 32.1/2 + 1/6 =
  33. 33.3/5 + 3/5 =
  34. 34.2/11 + 1/6 =
  35. 35.1/2 − 1/11 =
  36. 36.2/10 − 1/11 =
  37. 37.2/4 − 1/3 =
  38. 38.3/4 − 3/9 =
  39. 39.1/3 − 1/8 =
  40. 40.3/7 + 2/3 =

Answer key

  1. 52/33
  2. 9/10
  3. 2/7
  4. 15/28
  5. 1/36
  6. 3/20
  7. 10/9
  8. 25/18
  9. 48/55
  10. 1/2
  11. 1/10
  12. 2/3
  13. 3/55
  14. 9/55
  15. 2/7
  16. 16/15
  17. 5/6
  18. 13/22
  19. 29/90
  20. 17/63
  21. 51/44
  22. 1/18
  23. 5/6
  24. 23/33
  25. 4/3
  26. 17/35
  27. 7/8
  28. 17/30
  29. 160/99
  30. 1
  31. 19/45
  32. 2/3
  33. 6/5
  34. 23/66
  35. 9/22
  36. 6/55
  37. 1/6
  38. 5/12
  39. 5/24
  40. 23/21

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