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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 272 · 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. 1.1/2 + 6/12 =
  2. 2.2/5 + 5/6 =
  3. 3.1/2 − 1/4 =
  4. 4.9/11 − 2/3 =
  5. 5.3/5 + 9/10 =
  6. 6.3/7 + 9/10 =
  7. 7.3/8 − 1/6 =
  8. 8.2/3 − 2/7 =
  9. 9.4/5 + 3/4 =
  10. 10.2/5 − 3/8 =
  11. 11.1/2 + 9/11 =
  12. 12.8/12 + 6/8 =
  13. 13.8/9 − 5/8 =
  14. 14.2/4 + 6/9 =
  15. 15.6/9 − 5/10 =
  16. 16.1/11 + 2/10 =
  17. 17.4/5 + 4/7 =
  18. 18.4/8 + 2/7 =
  19. 19.3/4 + 7/9 =
  20. 20.1/5 + 6/9 =
  21. 21.3/5 − 1/9 =
  22. 22.1/4 + 4/12 =
  23. 23.1/3 + 6/11 =
  24. 24.7/11 + 2/3 =
  25. 25.1/4 + 2/5 =
  26. 26.5/7 + 1/3 =
  27. 27.1/4 + 1/2 =
  28. 28.2/12 + 1/4 =
  29. 29.1/2 − 2/5 =
  30. 30.7/8 + 1/5 =
  31. 31.6/9 + 3/4 =
  32. 32.6/12 + 4/7 =
  33. 33.2/5 + 2/4 =
  34. 34.5/6 − 1/5 =
  35. 35.7/9 + 3/5 =
  36. 36.2/3 + 10/11 =
  37. 37.5/10 + 1/12 =
  38. 38.1/2 + 1/3 =
  39. 39.9/10 − 1/2 =
  40. 40.5/12 + 2/4 =

Answer key

  1. 1
  2. 37/30
  3. 1/4
  4. 5/33
  5. 3/2
  6. 93/70
  7. 5/24
  8. 8/21
  9. 31/20
  10. 1/40
  11. 29/22
  12. 17/12
  13. 19/72
  14. 7/6
  15. 1/6
  16. 16/55
  17. 48/35
  18. 11/14
  19. 55/36
  20. 13/15
  21. 22/45
  22. 7/12
  23. 29/33
  24. 43/33
  25. 13/20
  26. 22/21
  27. 3/4
  28. 5/12
  29. 1/10
  30. 43/40
  31. 17/12
  32. 15/14
  33. 9/10
  34. 19/30
  35. 62/45
  36. 52/33
  37. 7/12
  38. 5/6
  39. 2/5
  40. 11/12

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