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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 533 · 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. 1.2/3 + 1/2 =
  2. 2.1/5 + 3/4 =
  3. 3.1/11 + 4/11 =
  4. 4.2/7 + 5/12 =
  5. 5.2/11 − 1/8 =
  6. 6.8/9 + 4/5 =
  7. 7.1/2 + 3/4 =
  8. 8.7/8 + 4/5 =
  9. 9.8/11 + 4/8 =
  10. 10.4/8 − 2/8 =
  11. 11.1/9 + 1/3 =
  12. 12.3/6 − 2/9 =
  13. 13.2/7 − 2/8 =
  14. 14.4/6 + 3/4 =
  15. 15.4/6 − 1/2 =
  16. 16.3/6 + 7/8 =
  17. 17.4/9 − 4/10 =
  18. 18.1/2 + 1/2 =
  19. 19.7/9 − 7/10 =
  20. 20.8/9 − 4/9 =
  21. 21.3/6 + 1/3 =
  22. 22.1/3 − 2/12 =
  23. 23.3/4 + 1/3 =
  24. 24.2/3 − 1/4 =
  25. 25.9/12 + 5/7 =
  26. 26.11/12 + 3/5 =
  27. 27.1/2 + 1/10 =
  28. 28.6/9 − 1/2 =
  29. 29.1/2 − 1/4 =
  30. 30.1/5 − 1/9 =
  31. 31.8/9 − 4/5 =
  32. 32.11/12 − 2/3 =
  33. 33.3/7 + 10/11 =
  34. 34.9/12 + 3/4 =
  35. 35.1/4 + 1/2 =
  36. 36.1/2 + 4/11 =
  37. 37.2/4 + 2/4 =
  38. 38.5/9 − 1/5 =
  39. 39.6/7 − 5/11 =
  40. 40.4/9 + 5/6 =

Answer key

  1. 7/6
  2. 19/20
  3. 5/11
  4. 59/84
  5. 5/88
  6. 76/45
  7. 5/4
  8. 67/40
  9. 27/22
  10. 1/4
  11. 4/9
  12. 5/18
  13. 1/28
  14. 17/12
  15. 1/6
  16. 11/8
  17. 2/45
  18. 1
  19. 7/90
  20. 4/9
  21. 5/6
  22. 1/6
  23. 13/12
  24. 5/12
  25. 41/28
  26. 91/60
  27. 3/5
  28. 1/6
  29. 1/4
  30. 4/45
  31. 4/45
  32. 1/4
  33. 103/77
  34. 3/2
  35. 3/4
  36. 19/22
  37. 1
  38. 16/45
  39. 31/77
  40. 23/18

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