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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 684 · 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. 1.9/10 − 4/6 =
  2. 2.9/11 + 3/4 =
  3. 3.3/4 + 2/9 =
  4. 4.7/10 − 5/9 =
  5. 5.8/10 + 7/8 =
  6. 6.1/2 − 1/4 =
  7. 7.1/6 + 7/10 =
  8. 8.3/4 + 3/4 =
  9. 9.4/5 − 4/9 =
  10. 10.1/5 + 5/6 =
  11. 11.3/5 + 8/12 =
  12. 12.6/12 + 3/12 =
  13. 13.3/5 − 3/6 =
  14. 14.3/10 + 2/3 =
  15. 15.1/2 + 5/11 =
  16. 16.2/3 + 1/7 =
  17. 17.4/7 + 4/8 =
  18. 18.1/8 + 1/3 =
  19. 19.11/12 + 2/3 =
  20. 20.3/6 + 2/6 =
  21. 21.9/11 + 2/9 =
  22. 22.2/4 − 1/9 =
  23. 23.6/12 + 7/9 =
  24. 24.6/7 − 3/11 =
  25. 25.4/5 − 1/7 =
  26. 26.1/2 − 3/8 =
  27. 27.5/7 − 6/12 =
  28. 28.1/4 − 1/11 =
  29. 29.4/10 + 3/4 =
  30. 30.1/3 + 1/5 =
  31. 31.5/7 + 1/2 =
  32. 32.9/10 + 4/10 =
  33. 33.3/8 − 2/12 =
  34. 34.2/3 − 1/4 =
  35. 35.3/11 + 3/4 =
  36. 36.7/8 − 2/3 =
  37. 37.2/4 + 7/8 =
  38. 38.4/8 + 2/5 =
  39. 39.8/9 − 1/3 =
  40. 40.1/2 − 1/4 =

Answer key

  1. 7/30
  2. 69/44
  3. 35/36
  4. 13/90
  5. 67/40
  6. 1/4
  7. 13/15
  8. 3/2
  9. 16/45
  10. 31/30
  11. 19/15
  12. 3/4
  13. 1/10
  14. 29/30
  15. 21/22
  16. 17/21
  17. 15/14
  18. 11/24
  19. 19/12
  20. 5/6
  21. 103/99
  22. 7/18
  23. 23/18
  24. 45/77
  25. 23/35
  26. 1/8
  27. 3/14
  28. 7/44
  29. 23/20
  30. 8/15
  31. 17/14
  32. 13/10
  33. 5/24
  34. 5/12
  35. 45/44
  36. 5/24
  37. 11/8
  38. 9/10
  39. 5/9
  40. 1/4

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