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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 119 · 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. 1.6/9 + 3/4 =
  2. 2.8/10 − 2/12 =
  3. 3.2/6 − 1/6 =
  4. 4.1/2 + 2/10 =
  5. 5.4/8 + 6/7 =
  6. 6.5/10 + 1/2 =
  7. 7.2/10 + 8/12 =
  8. 8.3/4 − 3/12 =
  9. 9.2/3 − 3/10 =
  10. 10.2/11 − 1/6 =
  11. 11.1/4 + 1/2 =
  12. 12.9/12 + 2/11 =
  13. 13.3/4 − 5/7 =
  14. 14.6/7 + 2/3 =
  15. 15.10/12 + 3/4 =
  16. 16.7/8 − 3/5 =
  17. 17.2/5 + 3/5 =
  18. 18.4/5 + 11/12 =
  19. 19.1/6 + 1/5 =
  20. 20.2/3 − 4/12 =
  21. 21.2/10 − 1/12 =
  22. 22.7/9 + 6/11 =
  23. 23.8/10 − 3/6 =
  24. 24.4/6 + 1/3 =
  25. 25.2/3 + 8/9 =
  26. 26.1/3 + 2/12 =
  27. 27.3/4 + 1/3 =
  28. 28.2/5 + 1/7 =
  29. 29.6/10 − 1/4 =
  30. 30.10/12 − 2/6 =
  31. 31.6/10 + 10/11 =
  32. 32.2/3 + 1/2 =
  33. 33.1/2 + 2/4 =
  34. 34.2/4 + 4/8 =
  35. 35.6/8 + 2/9 =
  36. 36.1/2 + 6/10 =
  37. 37.5/7 + 1/3 =
  38. 38.1/8 + 4/12 =
  39. 39.3/4 − 1/6 =
  40. 40.2/4 + 3/10 =

Answer key

  1. 17/12
  2. 19/30
  3. 1/6
  4. 7/10
  5. 19/14
  6. 1
  7. 13/15
  8. 1/2
  9. 11/30
  10. 1/66
  11. 3/4
  12. 41/44
  13. 1/28
  14. 32/21
  15. 19/12
  16. 11/40
  17. 1
  18. 103/60
  19. 11/30
  20. 1/3
  21. 7/60
  22. 131/99
  23. 3/10
  24. 1
  25. 14/9
  26. 1/2
  27. 13/12
  28. 19/35
  29. 7/20
  30. 1/2
  31. 83/55
  32. 7/6
  33. 1
  34. 1
  35. 35/36
  36. 11/10
  37. 22/21
  38. 11/24
  39. 7/12
  40. 4/5

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