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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 591 · 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. 1.8/11 + 1/10 =
  2. 2.3/6 + 7/9 =
  3. 3.1/3 − 2/8 =
  4. 4.1/2 + 1/2 =
  5. 5.2/4 + 4/10 =
  6. 6.4/6 − 1/3 =
  7. 7.5/7 − 1/5 =
  8. 8.6/8 − 1/2 =
  9. 9.2/3 + 2/4 =
  10. 10.2/8 + 5/12 =
  11. 11.6/8 − 4/6 =
  12. 12.1/6 + 1/2 =
  13. 13.2/6 + 2/5 =
  14. 14.9/11 − 2/7 =
  15. 15.5/11 − 1/9 =
  16. 16.2/12 + 1/7 =
  17. 17.4/6 + 2/6 =
  18. 18.6/8 + 1/3 =
  19. 19.4/6 + 6/11 =
  20. 20.4/5 + 6/11 =
  21. 21.1/2 − 1/11 =
  22. 22.1/6 + 9/11 =
  23. 23.3/9 − 2/9 =
  24. 24.1/3 + 1/11 =
  25. 25.2/9 + 2/5 =
  26. 26.5/6 + 2/10 =
  27. 27.1/8 + 5/6 =
  28. 28.1/3 − 2/7 =
  29. 29.1/2 + 1/7 =
  30. 30.3/4 + 5/7 =
  31. 31.8/11 − 3/5 =
  32. 32.10/12 − 3/11 =
  33. 33.4/6 − 2/5 =
  34. 34.8/9 + 3/10 =
  35. 35.1/11 + 6/12 =
  36. 36.2/6 + 2/3 =
  37. 37.1/4 + 2/8 =
  38. 38.1/10 + 1/2 =
  39. 39.1/2 + 5/11 =
  40. 40.2/7 + 5/7 =

Answer key

  1. 91/110
  2. 23/18
  3. 1/12
  4. 1
  5. 9/10
  6. 1/3
  7. 18/35
  8. 1/4
  9. 7/6
  10. 2/3
  11. 1/12
  12. 2/3
  13. 11/15
  14. 41/77
  15. 34/99
  16. 13/42
  17. 1
  18. 13/12
  19. 40/33
  20. 74/55
  21. 9/22
  22. 65/66
  23. 1/9
  24. 14/33
  25. 28/45
  26. 31/30
  27. 23/24
  28. 1/21
  29. 9/14
  30. 41/28
  31. 7/55
  32. 37/66
  33. 4/15
  34. 107/90
  35. 13/22
  36. 1
  37. 1/2
  38. 3/5
  39. 21/22
  40. 1

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