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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 809 · 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. 1.6/7 − 4/7 =
  2. 2.1/4 + 1/2 =
  3. 3.5/6 − 4/12 =
  4. 4.4/7 + 1/7 =
  5. 5.1/2 + 1/12 =
  6. 6.3/8 + 9/11 =
  7. 7.1/12 + 4/11 =
  8. 8.5/8 + 7/12 =
  9. 9.1/2 + 3/8 =
  10. 10.5/7 − 1/4 =
  11. 11.7/10 − 1/5 =
  12. 12.1/2 + 1/4 =
  13. 13.5/10 − 2/6 =
  14. 14.5/6 + 6/8 =
  15. 15.2/5 + 5/6 =
  16. 16.5/6 + 3/4 =
  17. 17.5/10 + 1/3 =
  18. 18.1/6 + 8/10 =
  19. 19.2/3 − 3/7 =
  20. 20.7/10 + 2/8 =
  21. 21.5/6 + 1/2 =
  22. 22.3/6 + 6/10 =
  23. 23.3/12 + 2/8 =
  24. 24.2/8 + 3/4 =
  25. 25.4/6 − 6/10 =
  26. 26.3/8 − 4/11 =
  27. 27.5/9 − 3/10 =
  28. 28.3/4 − 2/6 =
  29. 29.2/4 − 1/6 =
  30. 30.4/5 − 2/8 =
  31. 31.7/8 − 3/6 =
  32. 32.4/5 + 4/7 =
  33. 33.1/2 + 1/3 =
  34. 34.6/8 + 7/8 =
  35. 35.3/4 + 1/2 =
  36. 36.3/6 − 1/6 =
  37. 37.2/6 + 1/5 =
  38. 38.2/3 + 2/3 =
  39. 39.1/2 − 2/11 =
  40. 40.4/10 − 2/6 =

Answer key

  1. 2/7
  2. 3/4
  3. 1/2
  4. 5/7
  5. 7/12
  6. 105/88
  7. 59/132
  8. 29/24
  9. 7/8
  10. 13/28
  11. 1/2
  12. 3/4
  13. 1/6
  14. 19/12
  15. 37/30
  16. 19/12
  17. 5/6
  18. 29/30
  19. 5/21
  20. 19/20
  21. 4/3
  22. 11/10
  23. 1/2
  24. 1
  25. 1/15
  26. 1/88
  27. 23/90
  28. 5/12
  29. 1/3
  30. 11/20
  31. 3/8
  32. 48/35
  33. 5/6
  34. 13/8
  35. 5/4
  36. 1/3
  37. 8/15
  38. 4/3
  39. 7/22
  40. 1/15

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