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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 252 · 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. 1.10/12 + 5/6 =
  2. 2.1/5 + 2/4 =
  3. 3.2/9 + 4/10 =
  4. 4.1/3 + 7/11 =
  5. 5.1/10 + 2/6 =
  6. 6.2/4 − 3/7 =
  7. 7.2/4 + 7/8 =
  8. 8.3/11 + 3/4 =
  9. 9.5/11 − 1/4 =
  10. 10.11/12 + 2/7 =
  11. 11.1/2 − 1/7 =
  12. 12.1/4 + 3/6 =
  13. 13.2/3 + 6/9 =
  14. 14.3/8 + 2/12 =
  15. 15.7/10 + 3/7 =
  16. 16.5/6 − 4/7 =
  17. 17.2/11 + 8/10 =
  18. 18.3/4 − 1/2 =
  19. 19.5/12 + 9/12 =
  20. 20.8/9 − 1/8 =
  21. 21.3/7 + 5/6 =
  22. 22.4/9 − 2/6 =
  23. 23.1/5 + 1/11 =
  24. 24.10/12 − 1/3 =
  25. 25.3/4 + 1/5 =
  26. 26.2/12 + 2/9 =
  27. 27.4/6 + 2/3 =
  28. 28.6/8 − 6/10 =
  29. 29.2/9 + 2/7 =
  30. 30.3/4 + 3/10 =
  31. 31.7/10 − 2/5 =
  32. 32.3/12 + 1/11 =
  33. 33.3/4 − 1/3 =
  34. 34.6/11 + 2/3 =
  35. 35.6/9 − 1/3 =
  36. 36.7/11 + 1/3 =
  37. 37.5/10 + 1/2 =
  38. 38.6/8 + 1/2 =
  39. 39.3/4 − 1/3 =
  40. 40.1/6 + 6/7 =

Answer key

  1. 5/3
  2. 7/10
  3. 28/45
  4. 32/33
  5. 13/30
  6. 1/14
  7. 11/8
  8. 45/44
  9. 9/44
  10. 101/84
  11. 5/14
  12. 3/4
  13. 4/3
  14. 13/24
  15. 79/70
  16. 11/42
  17. 54/55
  18. 1/4
  19. 7/6
  20. 55/72
  21. 53/42
  22. 1/9
  23. 16/55
  24. 1/2
  25. 19/20
  26. 7/18
  27. 4/3
  28. 3/20
  29. 32/63
  30. 21/20
  31. 3/10
  32. 15/44
  33. 5/12
  34. 40/33
  35. 1/3
  36. 32/33
  37. 1
  38. 5/4
  39. 5/12
  40. 43/42

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