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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 548 · 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. 1.1/5 + 7/9 =
  2. 2.6/7 − 2/10 =
  3. 3.3/4 − 2/3 =
  4. 4.4/5 + 6/10 =
  5. 5.2/3 − 1/3 =
  6. 6.1/3 + 1/4 =
  7. 7.4/7 − 1/2 =
  8. 8.8/10 + 4/5 =
  9. 9.6/8 + 2/9 =
  10. 10.2/6 + 3/4 =
  11. 11.3/8 + 2/3 =
  12. 12.1/2 − 4/10 =
  13. 13.7/8 − 4/6 =
  14. 14.1/6 + 1/4 =
  15. 15.1/2 − 2/8 =
  16. 16.1/6 + 1/2 =
  17. 17.3/4 + 2/6 =
  18. 18.6/8 − 6/12 =
  19. 19.1/2 − 1/4 =
  20. 20.3/8 + 1/3 =
  21. 21.2/3 + 5/8 =
  22. 22.5/11 + 1/7 =
  23. 23.2/4 + 4/11 =
  24. 24.1/5 + 1/2 =
  25. 25.1/8 + 1/2 =
  26. 26.2/5 + 2/6 =
  27. 27.3/4 − 5/10 =
  28. 28.9/11 + 5/7 =
  29. 29.1/2 + 1/2 =
  30. 30.1/2 − 1/3 =
  31. 31.1/4 + 1/4 =
  32. 32.2/4 − 4/12 =
  33. 33.3/7 − 3/11 =
  34. 34.1/2 + 4/11 =
  35. 35.3/7 + 2/3 =
  36. 36.2/5 − 1/7 =
  37. 37.3/5 − 3/8 =
  38. 38.7/8 − 4/6 =
  39. 39.1/11 + 3/5 =
  40. 40.5/12 + 5/11 =

Answer key

  1. 44/45
  2. 23/35
  3. 1/12
  4. 7/5
  5. 1/3
  6. 7/12
  7. 1/14
  8. 8/5
  9. 35/36
  10. 13/12
  11. 25/24
  12. 1/10
  13. 5/24
  14. 5/12
  15. 1/4
  16. 2/3
  17. 13/12
  18. 1/4
  19. 1/4
  20. 17/24
  21. 31/24
  22. 46/77
  23. 19/22
  24. 7/10
  25. 5/8
  26. 11/15
  27. 1/4
  28. 118/77
  29. 1
  30. 1/6
  31. 1/2
  32. 1/6
  33. 12/77
  34. 19/22
  35. 23/21
  36. 9/35
  37. 9/40
  38. 5/24
  39. 38/55
  40. 115/132

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