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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 248 · 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. 1.10/12 − 6/9 =
  2. 2.9/11 + 2/10 =
  3. 3.1/4 + 3/12 =
  4. 4.5/6 − 4/7 =
  5. 5.1/2 − 2/9 =
  6. 6.7/8 + 2/11 =
  7. 7.2/3 + 1/2 =
  8. 8.6/11 − 3/11 =
  9. 9.8/11 + 7/8 =
  10. 10.7/10 − 2/9 =
  11. 11.1/2 + 7/12 =
  12. 12.2/8 + 3/6 =
  13. 13.4/8 − 1/3 =
  14. 14.2/4 − 2/7 =
  15. 15.3/9 + 1/4 =
  16. 16.1/2 + 1/2 =
  17. 17.2/3 + 8/11 =
  18. 18.2/3 − 1/4 =
  19. 19.9/10 − 5/8 =
  20. 20.7/8 − 5/6 =
  21. 21.2/4 + 2/10 =
  22. 22.1/2 + 1/9 =
  23. 23.1/2 + 1/3 =
  24. 24.2/7 − 1/5 =
  25. 25.1/9 + 5/12 =
  26. 26.1/11 + 2/3 =
  27. 27.1/7 + 1/2 =
  28. 28.3/5 + 2/12 =
  29. 29.1/2 + 1/6 =
  30. 30.2/6 + 7/9 =
  31. 31.2/12 + 2/3 =
  32. 32.3/5 + 7/10 =
  33. 33.1/3 + 1/3 =
  34. 34.9/12 − 4/10 =
  35. 35.3/8 + 3/4 =
  36. 36.7/11 + 2/6 =
  37. 37.3/6 + 2/12 =
  38. 38.2/4 + 6/11 =
  39. 39.5/12 + 6/9 =
  40. 40.3/6 − 2/5 =

Answer key

  1. 1/6
  2. 56/55
  3. 1/2
  4. 11/42
  5. 5/18
  6. 93/88
  7. 7/6
  8. 3/11
  9. 141/88
  10. 43/90
  11. 13/12
  12. 3/4
  13. 1/6
  14. 3/14
  15. 7/12
  16. 1
  17. 46/33
  18. 5/12
  19. 11/40
  20. 1/24
  21. 7/10
  22. 11/18
  23. 5/6
  24. 3/35
  25. 19/36
  26. 25/33
  27. 9/14
  28. 23/30
  29. 2/3
  30. 10/9
  31. 5/6
  32. 13/10
  33. 2/3
  34. 7/20
  35. 9/8
  36. 32/33
  37. 2/3
  38. 23/22
  39. 13/12
  40. 1/10

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