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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 590 · 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. 1.9/11 + 5/10 =
  2. 2.1/2 + 2/5 =
  3. 3.2/5 + 1/2 =
  4. 4.2/5 + 1/3 =
  5. 5.11/12 + 2/4 =
  6. 6.7/9 − 3/5 =
  7. 7.1/3 + 1/2 =
  8. 8.7/10 − 4/6 =
  9. 9.3/5 − 2/4 =
  10. 10.3/10 − 1/6 =
  11. 11.3/12 + 11/12 =
  12. 12.1/4 + 4/9 =
  13. 13.7/8 − 3/10 =
  14. 14.5/10 + 6/8 =
  15. 15.6/11 − 3/8 =
  16. 16.1/10 + 1/2 =
  17. 17.4/5 + 1/2 =
  18. 18.1/2 + 1/3 =
  19. 19.6/9 + 5/9 =
  20. 20.1/11 + 1/5 =
  21. 21.5/7 + 3/11 =
  22. 22.4/6 − 1/7 =
  23. 23.2/3 − 2/8 =
  24. 24.3/4 − 2/6 =
  25. 25.6/8 − 1/4 =
  26. 26.4/11 + 4/10 =
  27. 27.9/12 − 6/12 =
  28. 28.4/6 − 3/9 =
  29. 29.2/7 + 1/6 =
  30. 30.7/10 − 2/5 =
  31. 31.8/10 + 2/7 =
  32. 32.2/3 − 1/4 =
  33. 33.8/10 + 1/2 =
  34. 34.2/3 − 2/4 =
  35. 35.4/6 − 2/5 =
  36. 36.11/12 + 6/10 =
  37. 37.3/4 − 4/11 =
  38. 38.4/6 + 2/6 =
  39. 39.5/8 − 1/2 =
  40. 40.2/10 + 1/11 =

Answer key

  1. 29/22
  2. 9/10
  3. 9/10
  4. 11/15
  5. 17/12
  6. 8/45
  7. 5/6
  8. 1/30
  9. 1/10
  10. 2/15
  11. 7/6
  12. 25/36
  13. 23/40
  14. 5/4
  15. 15/88
  16. 3/5
  17. 13/10
  18. 5/6
  19. 11/9
  20. 16/55
  21. 76/77
  22. 11/21
  23. 5/12
  24. 5/12
  25. 1/2
  26. 42/55
  27. 1/4
  28. 1/3
  29. 19/42
  30. 3/10
  31. 38/35
  32. 5/12
  33. 13/10
  34. 1/6
  35. 4/15
  36. 91/60
  37. 17/44
  38. 1
  39. 1/8
  40. 16/55

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