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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 372 · 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. 1.10/11 + 5/11 =
  2. 2.1/2 − 1/4 =
  3. 3.6/7 − 1/7 =
  4. 4.7/10 − 3/9 =
  5. 5.2/8 + 4/6 =
  6. 6.2/3 − 1/9 =
  7. 7.3/11 + 1/2 =
  8. 8.2/3 + 4/7 =
  9. 9.4/9 − 1/7 =
  10. 10.2/3 − 1/2 =
  11. 11.7/11 + 4/10 =
  12. 12.3/4 − 6/12 =
  13. 13.2/5 + 3/5 =
  14. 14.2/8 + 6/10 =
  15. 15.1/2 + 1/7 =
  16. 16.3/6 − 1/3 =
  17. 17.5/6 + 2/6 =
  18. 18.3/4 + 6/12 =
  19. 19.1/3 + 3/6 =
  20. 20.1/5 + 1/3 =
  21. 21.2/11 + 2/7 =
  22. 22.1/3 + 6/8 =
  23. 23.7/9 + 1/2 =
  24. 24.1/5 − 2/11 =
  25. 25.2/5 + 1/11 =
  26. 26.2/4 + 1/4 =
  27. 27.5/8 − 1/4 =
  28. 28.2/6 + 1/2 =
  29. 29.6/11 − 1/4 =
  30. 30.3/6 − 3/9 =
  31. 31.4/11 + 2/4 =
  32. 32.6/10 + 2/9 =
  33. 33.2/8 + 1/2 =
  34. 34.9/10 − 4/12 =
  35. 35.5/6 + 7/12 =
  36. 36.4/6 + 4/11 =
  37. 37.2/6 + 3/8 =
  38. 38.4/5 − 1/7 =
  39. 39.4/12 + 9/10 =
  40. 40.3/11 + 9/11 =

Answer key

  1. 15/11
  2. 1/4
  3. 5/7
  4. 11/30
  5. 11/12
  6. 5/9
  7. 17/22
  8. 26/21
  9. 19/63
  10. 1/6
  11. 57/55
  12. 1/4
  13. 1
  14. 17/20
  15. 9/14
  16. 1/6
  17. 7/6
  18. 5/4
  19. 5/6
  20. 8/15
  21. 36/77
  22. 13/12
  23. 23/18
  24. 1/55
  25. 27/55
  26. 3/4
  27. 3/8
  28. 5/6
  29. 13/44
  30. 1/6
  31. 19/22
  32. 37/45
  33. 3/4
  34. 17/30
  35. 17/12
  36. 34/33
  37. 17/24
  38. 23/35
  39. 37/30
  40. 12/11

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