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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 520 · 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. 1.6/9 + 7/9 =
  2. 2.3/7 + 2/3 =
  3. 3.3/8 + 4/11 =
  4. 4.6/11 + 1/2 =
  5. 5.1/2 + 5/6 =
  6. 6.8/9 + 7/11 =
  7. 7.1/2 − 1/6 =
  8. 8.3/8 − 1/3 =
  9. 9.1/2 + 2/4 =
  10. 10.3/4 − 1/7 =
  11. 11.1/7 + 5/7 =
  12. 12.2/4 + 5/8 =
  13. 13.6/12 + 1/5 =
  14. 14.1/2 − 2/6 =
  15. 15.6/12 + 3/6 =
  16. 16.6/12 + 1/2 =
  17. 17.6/7 + 2/3 =
  18. 18.2/4 + 2/6 =
  19. 19.9/10 − 3/4 =
  20. 20.11/12 − 1/2 =
  21. 21.2/3 − 3/8 =
  22. 22.2/3 + 8/9 =
  23. 23.1/8 + 1/7 =
  24. 24.1/8 + 1/11 =
  25. 25.1/2 − 1/3 =
  26. 26.4/5 − 3/5 =
  27. 27.1/3 + 5/12 =
  28. 28.1/2 + 1/2 =
  29. 29.3/8 + 1/7 =
  30. 30.1/2 − 1/3 =
  31. 31.2/11 + 1/11 =
  32. 32.2/4 + 10/11 =
  33. 33.2/3 + 1/2 =
  34. 34.2/3 + 3/9 =
  35. 35.3/4 + 3/5 =
  36. 36.3/4 + 1/5 =
  37. 37.7/8 − 3/8 =
  38. 38.7/11 + 2/8 =
  39. 39.2/5 + 3/8 =
  40. 40.1/2 + 1/2 =

Answer key

  1. 13/9
  2. 23/21
  3. 65/88
  4. 23/22
  5. 4/3
  6. 151/99
  7. 1/3
  8. 1/24
  9. 1
  10. 17/28
  11. 6/7
  12. 9/8
  13. 7/10
  14. 1/6
  15. 1
  16. 1
  17. 32/21
  18. 5/6
  19. 3/20
  20. 5/12
  21. 7/24
  22. 14/9
  23. 15/56
  24. 19/88
  25. 1/6
  26. 1/5
  27. 3/4
  28. 1
  29. 29/56
  30. 1/6
  31. 3/11
  32. 31/22
  33. 7/6
  34. 1
  35. 27/20
  36. 19/20
  37. 1/2
  38. 39/44
  39. 31/40
  40. 1

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