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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 364 · 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 + 5/6 =
  2. 2.6/12 + 2/11 =
  3. 3.8/9 − 1/10 =
  4. 4.2/3 − 2/6 =
  5. 5.2/5 + 2/4 =
  6. 6.3/5 + 1/8 =
  7. 7.1/3 + 5/12 =
  8. 8.1/3 + 1/6 =
  9. 9.1/4 − 1/5 =
  10. 10.1/11 + 2/3 =
  11. 11.3/5 + 1/3 =
  12. 12.1/2 + 1/7 =
  13. 13.3/5 − 1/3 =
  14. 14.3/4 + 3/4 =
  15. 15.1/2 + 2/6 =
  16. 16.2/8 + 1/9 =
  17. 17.3/8 − 1/7 =
  18. 18.2/8 + 2/11 =
  19. 19.3/5 − 3/8 =
  20. 20.2/6 + 1/3 =
  21. 21.1/2 − 2/11 =
  22. 22.5/9 − 3/7 =
  23. 23.6/11 − 1/3 =
  24. 24.5/12 + 1/2 =
  25. 25.1/6 + 1/6 =
  26. 26.1/2 − 2/5 =
  27. 27.8/9 + 1/2 =
  28. 28.1/6 + 4/6 =
  29. 29.4/9 + 1/2 =
  30. 30.2/4 − 1/3 =
  31. 31.5/7 + 2/11 =
  32. 32.1/11 + 5/6 =
  33. 33.3/10 + 7/9 =
  34. 34.1/4 + 9/11 =
  35. 35.4/7 + 3/12 =
  36. 36.1/5 + 2/3 =
  37. 37.3/11 + 5/7 =
  38. 38.1/3 + 4/12 =
  39. 39.7/11 − 1/8 =
  40. 40.1/2 − 2/5 =

Answer key

  1. 97/66
  2. 15/22
  3. 71/90
  4. 1/3
  5. 9/10
  6. 29/40
  7. 3/4
  8. 1/2
  9. 1/20
  10. 25/33
  11. 14/15
  12. 9/14
  13. 4/15
  14. 3/2
  15. 5/6
  16. 13/36
  17. 13/56
  18. 19/44
  19. 9/40
  20. 2/3
  21. 7/22
  22. 8/63
  23. 7/33
  24. 11/12
  25. 1/3
  26. 1/10
  27. 25/18
  28. 5/6
  29. 17/18
  30. 1/6
  31. 69/77
  32. 61/66
  33. 97/90
  34. 47/44
  35. 23/28
  36. 13/15
  37. 76/77
  38. 2/3
  39. 45/88
  40. 1/10

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