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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 135 · 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. 1.9/11 − 3/11 =
  2. 2.6/12 + 3/4 =
  3. 3.1/7 + 5/8 =
  4. 4.9/11 − 2/5 =
  5. 5.1/2 + 3/12 =
  6. 6.3/10 + 1/7 =
  7. 7.2/10 + 1/4 =
  8. 8.3/12 + 10/11 =
  9. 9.2/9 + 2/3 =
  10. 10.1/2 + 4/7 =
  11. 11.1/4 + 1/5 =
  12. 12.1/2 − 3/7 =
  13. 13.5/9 + 1/2 =
  14. 14.6/9 − 2/11 =
  15. 15.2/4 − 1/7 =
  16. 16.5/7 + 8/9 =
  17. 17.2/6 − 1/10 =
  18. 18.2/5 + 4/7 =
  19. 19.2/9 + 2/12 =
  20. 20.11/12 + 2/12 =
  21. 21.6/10 + 6/8 =
  22. 22.1/8 + 2/4 =
  23. 23.3/8 + 1/8 =
  24. 24.1/2 − 1/9 =
  25. 25.2/6 + 1/3 =
  26. 26.3/6 + 6/11 =
  27. 27.1/2 + 1/4 =
  28. 28.2/3 + 2/3 =
  29. 29.2/3 − 2/9 =
  30. 30.2/6 + 5/8 =
  31. 31.3/7 + 5/9 =
  32. 32.1/2 + 7/11 =
  33. 33.1/6 + 1/5 =
  34. 34.1/2 + 4/5 =
  35. 35.2/3 + 3/4 =
  36. 36.2/5 + 5/7 =
  37. 37.2/3 + 2/10 =
  38. 38.3/6 + 4/10 =
  39. 39.7/11 − 1/2 =
  40. 40.2/3 − 1/3 =

Answer key

  1. 6/11
  2. 5/4
  3. 43/56
  4. 23/55
  5. 3/4
  6. 31/70
  7. 9/20
  8. 51/44
  9. 8/9
  10. 15/14
  11. 9/20
  12. 1/14
  13. 19/18
  14. 16/33
  15. 5/14
  16. 101/63
  17. 7/30
  18. 34/35
  19. 7/18
  20. 13/12
  21. 27/20
  22. 5/8
  23. 1/2
  24. 7/18
  25. 2/3
  26. 23/22
  27. 3/4
  28. 4/3
  29. 4/9
  30. 23/24
  31. 62/63
  32. 25/22
  33. 11/30
  34. 13/10
  35. 17/12
  36. 39/35
  37. 13/15
  38. 9/10
  39. 3/22
  40. 1/3

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