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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 346 · 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 − 1/2 =
  2. 2.2/3 + 2/3 =
  3. 3.6/7 − 2/3 =
  4. 4.5/7 − 2/7 =
  5. 5.5/6 + 3/4 =
  6. 6.4/11 − 1/4 =
  7. 7.3/4 + 5/9 =
  8. 8.1/3 + 2/3 =
  9. 9.2/7 + 1/2 =
  10. 10.6/10 − 4/11 =
  11. 11.2/9 + 7/9 =
  12. 12.5/7 + 6/10 =
  13. 13.1/2 + 5/11 =
  14. 14.8/9 + 1/2 =
  15. 15.6/11 + 6/12 =
  16. 16.5/8 − 1/2 =
  17. 17.2/7 + 5/7 =
  18. 18.1/2 + 2/4 =
  19. 19.3/6 − 4/12 =
  20. 20.2/3 − 4/9 =
  21. 21.1/4 + 5/6 =
  22. 22.1/2 + 1/6 =
  23. 23.10/11 − 8/9 =
  24. 24.4/5 − 1/6 =
  25. 25.6/11 + 1/3 =
  26. 26.11/12 − 4/9 =
  27. 27.2/3 + 3/10 =
  28. 28.1/4 + 7/10 =
  29. 29.1/3 + 7/8 =
  30. 30.4/6 − 1/3 =
  31. 31.1/2 + 2/5 =
  32. 32.6/9 + 3/5 =
  33. 33.2/3 − 1/4 =
  34. 34.4/5 − 1/3 =
  35. 35.7/11 + 2/4 =
  36. 36.5/7 + 2/4 =
  37. 37.1/2 + 5/6 =
  38. 38.1/2 + 1/6 =
  39. 39.3/6 − 3/9 =
  40. 40.4/10 − 1/3 =

Answer key

  1. 1/14
  2. 4/3
  3. 4/21
  4. 3/7
  5. 19/12
  6. 5/44
  7. 47/36
  8. 1
  9. 11/14
  10. 13/55
  11. 1
  12. 46/35
  13. 21/22
  14. 25/18
  15. 23/22
  16. 1/8
  17. 1
  18. 1
  19. 1/6
  20. 2/9
  21. 13/12
  22. 2/3
  23. 2/99
  24. 19/30
  25. 29/33
  26. 17/36
  27. 29/30
  28. 19/20
  29. 29/24
  30. 1/3
  31. 9/10
  32. 19/15
  33. 5/12
  34. 7/15
  35. 25/22
  36. 17/14
  37. 4/3
  38. 2/3
  39. 1/6
  40. 1/15

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