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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 983 · 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. 1.3/7 + 9/10 =
  2. 2.7/9 − 3/10 =
  3. 3.4/8 + 1/6 =
  4. 4.2/3 + 4/8 =
  5. 5.4/5 + 2/11 =
  6. 6.1/3 − 2/12 =
  7. 7.1/2 + 1/6 =
  8. 8.2/10 + 1/2 =
  9. 9.3/4 + 4/8 =
  10. 10.5/6 + 8/10 =
  11. 11.1/6 + 1/3 =
  12. 12.1/2 + 3/6 =
  13. 13.7/10 + 1/4 =
  14. 14.8/10 − 2/4 =
  15. 15.2/3 + 7/8 =
  16. 16.9/12 + 1/2 =
  17. 17.2/9 + 2/4 =
  18. 18.6/11 + 2/6 =
  19. 19.7/10 + 1/2 =
  20. 20.1/6 + 5/9 =
  21. 21.2/3 + 1/6 =
  22. 22.10/11 − 2/7 =
  23. 23.6/7 + 4/5 =
  24. 24.2/3 − 1/3 =
  25. 25.3/7 + 1/11 =
  26. 26.1/2 + 4/7 =
  27. 27.7/10 − 1/9 =
  28. 28.2/5 + 1/4 =
  29. 29.3/5 − 1/2 =
  30. 30.9/12 − 4/10 =
  31. 31.4/6 + 1/2 =
  32. 32.6/7 − 1/3 =
  33. 33.2/7 − 2/12 =
  34. 34.7/9 − 2/5 =
  35. 35.2/3 − 2/12 =
  36. 36.3/7 − 1/10 =
  37. 37.3/5 − 1/3 =
  38. 38.6/10 − 3/7 =
  39. 39.2/6 + 4/9 =
  40. 40.2/6 − 2/9 =

Answer key

  1. 93/70
  2. 43/90
  3. 2/3
  4. 7/6
  5. 54/55
  6. 1/6
  7. 2/3
  8. 7/10
  9. 5/4
  10. 49/30
  11. 1/2
  12. 1
  13. 19/20
  14. 3/10
  15. 37/24
  16. 5/4
  17. 13/18
  18. 29/33
  19. 6/5
  20. 13/18
  21. 5/6
  22. 48/77
  23. 58/35
  24. 1/3
  25. 40/77
  26. 15/14
  27. 53/90
  28. 13/20
  29. 1/10
  30. 7/20
  31. 7/6
  32. 11/21
  33. 5/42
  34. 17/45
  35. 1/2
  36. 23/70
  37. 4/15
  38. 6/35
  39. 7/9
  40. 1/9

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