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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 316 · 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. 1.6/8 − 1/5 =
  2. 2.1/4 − 2/11 =
  3. 3.2/4 + 1/7 =
  4. 4.5/7 + 1/3 =
  5. 5.3/4 + 11/12 =
  6. 6.8/12 + 6/9 =
  7. 7.9/11 − 4/5 =
  8. 8.8/11 + 3/5 =
  9. 9.1/5 + 1/4 =
  10. 10.4/5 + 4/10 =
  11. 11.2/7 − 2/8 =
  12. 12.4/12 + 1/2 =
  13. 13.8/11 − 2/3 =
  14. 14.1/3 + 4/7 =
  15. 15.4/12 + 1/3 =
  16. 16.2/10 − 2/12 =
  17. 17.3/4 + 8/12 =
  18. 18.1/2 − 3/11 =
  19. 19.2/3 + 1/7 =
  20. 20.3/5 − 5/9 =
  21. 21.1/8 + 1/2 =
  22. 22.1/7 + 2/3 =
  23. 23.2/6 + 6/7 =
  24. 24.1/10 + 2/6 =
  25. 25.1/9 + 2/9 =
  26. 26.3/5 − 1/10 =
  27. 27.8/9 + 6/7 =
  28. 28.1/2 + 4/6 =
  29. 29.2/8 + 7/11 =
  30. 30.4/8 + 6/9 =
  31. 31.5/10 + 2/3 =
  32. 32.5/8 − 1/4 =
  33. 33.1/4 + 5/9 =
  34. 34.1/8 + 1/4 =
  35. 35.1/2 + 1/2 =
  36. 36.1/2 + 1/2 =
  37. 37.3/7 + 5/7 =
  38. 38.9/10 − 8/12 =
  39. 39.2/10 + 1/5 =
  40. 40.2/10 + 1/5 =

Answer key

  1. 11/20
  2. 3/44
  3. 9/14
  4. 22/21
  5. 5/3
  6. 4/3
  7. 1/55
  8. 73/55
  9. 9/20
  10. 6/5
  11. 1/28
  12. 5/6
  13. 2/33
  14. 19/21
  15. 2/3
  16. 1/30
  17. 17/12
  18. 5/22
  19. 17/21
  20. 2/45
  21. 5/8
  22. 17/21
  23. 25/21
  24. 13/30
  25. 1/3
  26. 1/2
  27. 110/63
  28. 7/6
  29. 39/44
  30. 7/6
  31. 7/6
  32. 3/8
  33. 29/36
  34. 3/8
  35. 1
  36. 1
  37. 8/7
  38. 7/30
  39. 2/5
  40. 2/5

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