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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 599 · 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. 1.7/11 + 2/3 =
  2. 2.4/7 + 1/2 =
  3. 3.4/5 − 4/9 =
  4. 4.3/4 − 5/8 =
  5. 5.5/10 + 1/4 =
  6. 6.1/2 − 3/11 =
  7. 7.1/4 + 4/12 =
  8. 8.9/11 + 3/8 =
  9. 9.1/8 + 6/7 =
  10. 10.1/2 + 1/2 =
  11. 11.4/6 + 5/12 =
  12. 12.11/12 − 3/12 =
  13. 13.1/2 + 2/4 =
  14. 14.1/2 + 3/11 =
  15. 15.4/5 − 4/7 =
  16. 16.6/12 − 1/7 =
  17. 17.2/5 − 1/9 =
  18. 18.7/10 − 6/12 =
  19. 19.5/7 − 1/6 =
  20. 20.7/12 − 1/2 =
  21. 21.4/5 − 3/4 =
  22. 22.3/4 + 2/3 =
  23. 23.1/2 − 5/11 =
  24. 24.4/8 + 4/8 =
  25. 25.1/10 + 1/2 =
  26. 26.1/11 + 5/8 =
  27. 27.6/8 + 3/4 =
  28. 28.1/3 − 3/11 =
  29. 29.2/7 + 2/10 =
  30. 30.2/5 + 3/4 =
  31. 31.4/10 + 3/9 =
  32. 32.3/6 + 8/11 =
  33. 33.1/2 + 2/3 =
  34. 34.3/4 + 2/6 =
  35. 35.5/9 − 1/3 =
  36. 36.2/4 − 2/5 =
  37. 37.8/10 + 3/9 =
  38. 38.2/3 + 7/12 =
  39. 39.2/4 + 6/7 =
  40. 40.8/9 − 5/8 =

Answer key

  1. 43/33
  2. 15/14
  3. 16/45
  4. 1/8
  5. 3/4
  6. 5/22
  7. 7/12
  8. 105/88
  9. 55/56
  10. 1
  11. 13/12
  12. 2/3
  13. 1
  14. 17/22
  15. 8/35
  16. 5/14
  17. 13/45
  18. 1/5
  19. 23/42
  20. 1/12
  21. 1/20
  22. 17/12
  23. 1/22
  24. 1
  25. 3/5
  26. 63/88
  27. 3/2
  28. 2/33
  29. 17/35
  30. 23/20
  31. 11/15
  32. 27/22
  33. 7/6
  34. 13/12
  35. 2/9
  36. 1/10
  37. 17/15
  38. 5/4
  39. 19/14
  40. 19/72

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