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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 606 · 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. 1.5/9 + 9/11 =
  2. 2.3/10 − 2/7 =
  3. 3.4/6 + 3/11 =
  4. 4.2/6 + 2/5 =
  5. 5.1/3 + 6/7 =
  6. 6.1/4 + 1/4 =
  7. 7.1/4 + 9/10 =
  8. 8.6/7 + 11/12 =
  9. 9.4/10 − 3/9 =
  10. 10.6/7 − 1/4 =
  11. 11.4/11 − 4/12 =
  12. 12.6/9 + 1/6 =
  13. 13.6/9 − 2/9 =
  14. 14.8/10 − 1/2 =
  15. 15.3/12 − 1/5 =
  16. 16.6/9 + 5/6 =
  17. 17.9/11 − 1/4 =
  18. 18.1/4 + 1/11 =
  19. 19.2/4 + 2/5 =
  20. 20.1/3 − 1/4 =
  21. 21.2/4 + 5/11 =
  22. 22.4/7 + 2/7 =
  23. 23.2/8 + 3/5 =
  24. 24.2/5 + 3/4 =
  25. 25.3/5 − 1/5 =
  26. 26.4/7 − 2/4 =
  27. 27.1/2 − 4/12 =
  28. 28.5/7 − 1/11 =
  29. 29.1/2 + 5/10 =
  30. 30.8/9 − 6/9 =
  31. 31.1/2 + 3/8 =
  32. 32.1/3 + 6/7 =
  33. 33.1/2 + 5/12 =
  34. 34.3/6 + 2/10 =
  35. 35.8/9 − 1/2 =
  36. 36.3/9 + 7/8 =
  37. 37.3/4 − 1/2 =
  38. 38.8/11 + 1/5 =
  39. 39.2/6 + 5/8 =
  40. 40.1/3 − 1/4 =

Answer key

  1. 136/99
  2. 1/70
  3. 31/33
  4. 11/15
  5. 25/21
  6. 1/2
  7. 23/20
  8. 149/84
  9. 1/15
  10. 17/28
  11. 1/33
  12. 5/6
  13. 4/9
  14. 3/10
  15. 1/20
  16. 3/2
  17. 25/44
  18. 15/44
  19. 9/10
  20. 1/12
  21. 21/22
  22. 6/7
  23. 17/20
  24. 23/20
  25. 2/5
  26. 1/14
  27. 1/6
  28. 48/77
  29. 1
  30. 2/9
  31. 7/8
  32. 25/21
  33. 11/12
  34. 7/10
  35. 7/18
  36. 29/24
  37. 1/4
  38. 51/55
  39. 23/24
  40. 1/12

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