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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 936 · 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. 1.3/8 + 2/11 =
  2. 2.2/5 + 3/4 =
  3. 3.3/4 + 1/5 =
  4. 4.7/9 − 1/4 =
  5. 5.2/3 + 1/4 =
  6. 6.1/11 + 5/10 =
  7. 7.8/12 − 5/9 =
  8. 8.7/11 − 2/6 =
  9. 9.1/3 − 1/8 =
  10. 10.1/2 + 10/12 =
  11. 11.4/10 − 1/11 =
  12. 12.2/10 + 1/4 =
  13. 13.4/8 + 1/4 =
  14. 14.7/8 − 1/6 =
  15. 15.7/8 − 1/3 =
  16. 16.4/6 + 1/3 =
  17. 17.5/8 − 1/2 =
  18. 18.1/5 + 6/9 =
  19. 19.1/2 + 1/11 =
  20. 20.1/7 + 3/9 =
  21. 21.7/8 − 1/2 =
  22. 22.3/7 + 3/5 =
  23. 23.7/9 + 1/4 =
  24. 24.1/2 + 1/3 =
  25. 25.5/8 − 1/4 =
  26. 26.1/2 + 6/8 =
  27. 27.1/2 + 1/3 =
  28. 28.9/11 − 2/7 =
  29. 29.1/3 + 1/3 =
  30. 30.2/4 + 6/9 =
  31. 31.3/9 + 5/12 =
  32. 32.2/3 − 2/7 =
  33. 33.3/4 − 1/9 =
  34. 34.5/12 − 3/12 =
  35. 35.10/12 + 5/11 =
  36. 36.3/9 + 3/7 =
  37. 37.8/12 + 6/11 =
  38. 38.2/8 + 4/9 =
  39. 39.5/7 − 1/2 =
  40. 40.1/4 + 8/12 =

Answer key

  1. 49/88
  2. 23/20
  3. 19/20
  4. 19/36
  5. 11/12
  6. 13/22
  7. 1/9
  8. 10/33
  9. 5/24
  10. 4/3
  11. 17/55
  12. 9/20
  13. 3/4
  14. 17/24
  15. 13/24
  16. 1
  17. 1/8
  18. 13/15
  19. 13/22
  20. 10/21
  21. 3/8
  22. 36/35
  23. 37/36
  24. 5/6
  25. 3/8
  26. 5/4
  27. 5/6
  28. 41/77
  29. 2/3
  30. 7/6
  31. 3/4
  32. 8/21
  33. 23/36
  34. 1/6
  35. 85/66
  36. 16/21
  37. 40/33
  38. 25/36
  39. 3/14
  40. 11/12

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