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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 659 · 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. 1.4/6 + 1/2 =
  2. 2.2/8 − 1/7 =
  3. 3.3/11 + 2/3 =
  4. 4.8/9 − 2/4 =
  5. 5.1/2 − 4/10 =
  6. 6.1/7 + 2/3 =
  7. 7.2/8 − 2/11 =
  8. 8.2/6 − 2/9 =
  9. 9.5/6 + 3/10 =
  10. 10.7/9 + 1/2 =
  11. 11.2/5 + 6/12 =
  12. 12.5/6 + 1/2 =
  13. 13.4/6 + 2/3 =
  14. 14.2/9 + 4/5 =
  15. 15.7/10 − 1/9 =
  16. 16.5/7 − 4/11 =
  17. 17.11/12 + 2/4 =
  18. 18.6/8 − 5/9 =
  19. 19.7/10 + 5/6 =
  20. 20.6/7 + 3/6 =
  21. 21.2/3 − 1/3 =
  22. 22.3/5 − 1/3 =
  23. 23.1/10 + 3/4 =
  24. 24.3/4 − 1/5 =
  25. 25.3/9 + 3/9 =
  26. 26.1/2 + 3/10 =
  27. 27.5/9 + 6/7 =
  28. 28.2/3 − 1/4 =
  29. 29.4/5 + 1/3 =
  30. 30.4/5 + 9/10 =
  31. 31.6/7 + 4/11 =
  32. 32.5/8 + 2/6 =
  33. 33.4/7 + 4/6 =
  34. 34.1/3 + 1/3 =
  35. 35.1/2 − 2/7 =
  36. 36.8/9 − 5/6 =
  37. 37.5/9 − 1/12 =
  38. 38.7/9 − 5/7 =
  39. 39.7/8 − 2/8 =
  40. 40.3/8 + 1/12 =

Answer key

  1. 7/6
  2. 3/28
  3. 31/33
  4. 7/18
  5. 1/10
  6. 17/21
  7. 3/44
  8. 1/9
  9. 17/15
  10. 23/18
  11. 9/10
  12. 4/3
  13. 4/3
  14. 46/45
  15. 53/90
  16. 27/77
  17. 17/12
  18. 7/36
  19. 23/15
  20. 19/14
  21. 1/3
  22. 4/15
  23. 17/20
  24. 11/20
  25. 2/3
  26. 4/5
  27. 89/63
  28. 5/12
  29. 17/15
  30. 17/10
  31. 94/77
  32. 23/24
  33. 26/21
  34. 2/3
  35. 3/14
  36. 1/18
  37. 17/36
  38. 4/63
  39. 5/8
  40. 11/24

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