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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 649 · 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. 1.3/6 + 4/6 =
  2. 2.2/9 + 4/6 =
  3. 3.2/12 + 1/6 =
  4. 4.4/11 + 2/6 =
  5. 5.2/4 + 4/6 =
  6. 6.6/7 − 1/2 =
  7. 7.1/4 + 10/12 =
  8. 8.3/4 + 7/11 =
  9. 9.1/6 + 4/11 =
  10. 10.2/6 + 10/11 =
  11. 11.5/10 + 9/11 =
  12. 12.3/5 + 5/7 =
  13. 13.2/3 + 5/6 =
  14. 14.1/2 + 2/4 =
  15. 15.3/6 − 1/7 =
  16. 16.6/8 + 1/2 =
  17. 17.7/8 + 2/3 =
  18. 18.2/8 + 1/2 =
  19. 19.6/7 + 2/3 =
  20. 20.5/8 + 4/12 =
  21. 21.2/4 + 3/6 =
  22. 22.5/9 − 1/2 =
  23. 23.1/4 + 1/5 =
  24. 24.10/11 + 3/4 =
  25. 25.9/10 − 2/3 =
  26. 26.1/12 + 2/6 =
  27. 27.4/7 − 1/6 =
  28. 28.9/10 − 2/9 =
  29. 29.3/5 + 2/3 =
  30. 30.3/5 − 2/8 =
  31. 31.1/5 + 3/6 =
  32. 32.1/4 − 1/5 =
  33. 33.6/11 + 1/9 =
  34. 34.1/5 + 3/6 =
  35. 35.1/5 + 2/10 =
  36. 36.3/6 + 2/10 =
  37. 37.2/3 − 6/10 =
  38. 38.6/11 + 2/9 =
  39. 39.4/9 + 7/12 =
  40. 40.9/12 − 1/8 =

Answer key

  1. 7/6
  2. 8/9
  3. 1/3
  4. 23/33
  5. 7/6
  6. 5/14
  7. 13/12
  8. 61/44
  9. 35/66
  10. 41/33
  11. 29/22
  12. 46/35
  13. 3/2
  14. 1
  15. 5/14
  16. 5/4
  17. 37/24
  18. 3/4
  19. 32/21
  20. 23/24
  21. 1
  22. 1/18
  23. 9/20
  24. 73/44
  25. 7/30
  26. 5/12
  27. 17/42
  28. 61/90
  29. 19/15
  30. 7/20
  31. 7/10
  32. 1/20
  33. 65/99
  34. 7/10
  35. 2/5
  36. 7/10
  37. 1/15
  38. 76/99
  39. 37/36
  40. 5/8

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