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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 508 · 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. 1.4/7 + 4/5 =
  2. 2.1/3 + 1/2 =
  3. 3.1/2 + 1/5 =
  4. 4.2/9 + 5/12 =
  5. 5.3/4 + 1/3 =
  6. 6.1/3 − 1/5 =
  7. 7.1/3 + 2/3 =
  8. 8.7/11 + 3/8 =
  9. 9.1/3 + 5/11 =
  10. 10.2/7 − 1/12 =
  11. 11.4/6 − 5/11 =
  12. 12.3/9 + 1/2 =
  13. 13.3/4 + 2/6 =
  14. 14.2/12 + 9/12 =
  15. 15.5/7 + 1/12 =
  16. 16.4/10 + 7/9 =
  17. 17.2/7 + 2/8 =
  18. 18.1/2 − 2/8 =
  19. 19.3/4 − 1/8 =
  20. 20.3/5 + 4/8 =
  21. 21.7/8 − 1/7 =
  22. 22.5/6 − 1/2 =
  23. 23.1/2 + 1/8 =
  24. 24.1/2 + 5/12 =
  25. 25.7/8 − 1/2 =
  26. 26.1/12 + 2/9 =
  27. 27.5/11 + 1/4 =
  28. 28.1/2 + 1/3 =
  29. 29.8/11 − 3/6 =
  30. 30.1/3 + 4/6 =
  31. 31.2/5 + 2/3 =
  32. 32.9/11 + 3/12 =
  33. 33.3/8 − 1/6 =
  34. 34.1/2 + 2/11 =
  35. 35.2/7 − 2/8 =
  36. 36.4/5 − 4/9 =
  37. 37.6/9 + 3/6 =
  38. 38.3/8 − 2/8 =
  39. 39.1/7 + 1/2 =
  40. 40.9/11 + 9/12 =

Answer key

  1. 48/35
  2. 5/6
  3. 7/10
  4. 23/36
  5. 13/12
  6. 2/15
  7. 1
  8. 89/88
  9. 26/33
  10. 17/84
  11. 7/33
  12. 5/6
  13. 13/12
  14. 11/12
  15. 67/84
  16. 53/45
  17. 15/28
  18. 1/4
  19. 5/8
  20. 11/10
  21. 41/56
  22. 1/3
  23. 5/8
  24. 11/12
  25. 3/8
  26. 11/36
  27. 31/44
  28. 5/6
  29. 5/22
  30. 1
  31. 16/15
  32. 47/44
  33. 5/24
  34. 15/22
  35. 1/28
  36. 16/45
  37. 7/6
  38. 1/8
  39. 9/14
  40. 69/44

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