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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 134 · 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. 1.1/2 + 2/3 =
  2. 2.1/10 + 2/7 =
  3. 3.6/10 + 4/6 =
  4. 4.3/6 + 2/6 =
  5. 5.2/6 − 1/11 =
  6. 6.2/3 + 1/5 =
  7. 7.3/5 − 3/6 =
  8. 8.10/11 − 9/10 =
  9. 9.2/3 − 1/2 =
  10. 10.2/10 + 4/6 =
  11. 11.9/11 + 5/7 =
  12. 12.2/5 + 3/4 =
  13. 13.1/2 + 4/10 =
  14. 14.2/3 + 6/9 =
  15. 15.2/3 + 4/9 =
  16. 16.7/8 + 2/7 =
  17. 17.3/8 − 2/6 =
  18. 18.6/11 + 8/9 =
  19. 19.2/12 + 2/6 =
  20. 20.9/12 − 2/3 =
  21. 21.1/3 + 1/11 =
  22. 22.1/4 + 1/3 =
  23. 23.1/2 + 6/7 =
  24. 24.1/3 + 2/3 =
  25. 25.4/5 − 1/2 =
  26. 26.1/8 + 4/6 =
  27. 27.7/9 + 2/5 =
  28. 28.7/8 − 1/2 =
  29. 29.2/12 + 4/6 =
  30. 30.9/12 − 3/10 =
  31. 31.1/4 + 7/9 =
  32. 32.3/12 + 8/11 =
  33. 33.6/9 + 5/12 =
  34. 34.1/4 + 2/6 =
  35. 35.1/6 + 2/10 =
  36. 36.5/11 + 1/8 =
  37. 37.1/4 + 1/4 =
  38. 38.2/4 + 1/2 =
  39. 39.2/6 + 5/6 =
  40. 40.1/2 − 1/10 =

Answer key

  1. 7/6
  2. 27/70
  3. 19/15
  4. 5/6
  5. 8/33
  6. 13/15
  7. 1/10
  8. 1/110
  9. 1/6
  10. 13/15
  11. 118/77
  12. 23/20
  13. 9/10
  14. 4/3
  15. 10/9
  16. 65/56
  17. 1/24
  18. 142/99
  19. 1/2
  20. 1/12
  21. 14/33
  22. 7/12
  23. 19/14
  24. 1
  25. 3/10
  26. 19/24
  27. 53/45
  28. 3/8
  29. 5/6
  30. 9/20
  31. 37/36
  32. 43/44
  33. 13/12
  34. 7/12
  35. 11/30
  36. 51/88
  37. 1/2
  38. 1
  39. 7/6
  40. 2/5

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