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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 614 · 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. 1.5/10 + 1/5 =
  2. 2.2/12 + 4/7 =
  3. 3.2/3 − 6/10 =
  4. 4.9/11 + 1/2 =
  5. 5.6/11 + 1/2 =
  6. 6.11/12 + 5/12 =
  7. 7.6/8 − 2/3 =
  8. 8.4/6 − 4/9 =
  9. 9.10/12 + 2/3 =
  10. 10.1/2 − 2/5 =
  11. 11.1/12 + 7/10 =
  12. 12.1/4 + 3/6 =
  13. 13.3/6 + 7/9 =
  14. 14.6/8 + 6/10 =
  15. 15.5/7 − 3/6 =
  16. 16.7/10 + 1/2 =
  17. 17.1/4 + 2/3 =
  18. 18.1/3 + 5/7 =
  19. 19.6/9 − 1/2 =
  20. 20.2/9 + 5/9 =
  21. 21.6/12 + 1/2 =
  22. 22.5/11 − 2/9 =
  23. 23.4/8 + 5/6 =
  24. 24.10/11 − 5/7 =
  25. 25.4/10 + 1/2 =
  26. 26.5/8 + 1/6 =
  27. 27.7/11 − 2/11 =
  28. 28.2/4 + 1/3 =
  29. 29.10/11 + 1/2 =
  30. 30.3/6 + 1/2 =
  31. 31.8/12 − 2/8 =
  32. 32.2/7 + 1/4 =
  33. 33.5/6 + 5/10 =
  34. 34.1/2 + 7/9 =
  35. 35.1/2 + 4/10 =
  36. 36.3/10 + 1/3 =
  37. 37.5/9 + 3/4 =
  38. 38.7/8 − 1/6 =
  39. 39.9/10 + 6/9 =
  40. 40.10/12 + 3/5 =

Answer key

  1. 7/10
  2. 31/42
  3. 1/15
  4. 29/22
  5. 23/22
  6. 4/3
  7. 1/12
  8. 2/9
  9. 3/2
  10. 1/10
  11. 47/60
  12. 3/4
  13. 23/18
  14. 27/20
  15. 3/14
  16. 6/5
  17. 11/12
  18. 22/21
  19. 1/6
  20. 7/9
  21. 1
  22. 23/99
  23. 4/3
  24. 15/77
  25. 9/10
  26. 19/24
  27. 5/11
  28. 5/6
  29. 31/22
  30. 1
  31. 5/12
  32. 15/28
  33. 4/3
  34. 23/18
  35. 9/10
  36. 19/30
  37. 47/36
  38. 17/24
  39. 47/30
  40. 43/30

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