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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 810 · 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 − 1/8 =
  2. 2.6/8 + 3/5 =
  3. 3.1/9 + 1/11 =
  4. 4.1/3 + 4/10 =
  5. 5.1/3 − 1/4 =
  6. 6.10/11 − 1/2 =
  7. 7.5/7 − 3/9 =
  8. 8.1/2 + 1/2 =
  9. 9.1/2 + 3/4 =
  10. 10.7/12 + 2/4 =
  11. 11.4/11 + 2/3 =
  12. 12.1/3 + 1/2 =
  13. 13.4/5 − 6/9 =
  14. 14.4/11 + 7/10 =
  15. 15.1/6 + 1/10 =
  16. 16.2/6 + 1/6 =
  17. 17.3/4 − 1/2 =
  18. 18.1/2 + 3/5 =
  19. 19.2/3 + 1/2 =
  20. 20.6/8 + 5/7 =
  21. 21.7/8 + 1/3 =
  22. 22.8/9 − 3/8 =
  23. 23.7/8 + 1/9 =
  24. 24.1/2 + 1/4 =
  25. 25.6/12 + 2/3 =
  26. 26.2/6 + 2/4 =
  27. 27.11/12 − 2/9 =
  28. 28.4/12 − 1/8 =
  29. 29.1/9 + 2/10 =
  30. 30.1/3 + 1/2 =
  31. 31.2/3 + 3/6 =
  32. 32.2/8 + 1/9 =
  33. 33.6/7 + 1/5 =
  34. 34.5/6 + 5/6 =
  35. 35.1/4 + 1/2 =
  36. 36.1/3 + 1/2 =
  37. 37.5/8 + 1/12 =
  38. 38.1/4 + 4/10 =
  39. 39.1/2 + 3/5 =
  40. 40.4/5 + 7/12 =

Answer key

  1. 13/24
  2. 27/20
  3. 20/99
  4. 11/15
  5. 1/12
  6. 9/22
  7. 8/21
  8. 1
  9. 5/4
  10. 13/12
  11. 34/33
  12. 5/6
  13. 2/15
  14. 117/110
  15. 4/15
  16. 1/2
  17. 1/4
  18. 11/10
  19. 7/6
  20. 41/28
  21. 29/24
  22. 37/72
  23. 71/72
  24. 3/4
  25. 7/6
  26. 5/6
  27. 25/36
  28. 5/24
  29. 14/45
  30. 5/6
  31. 7/6
  32. 13/36
  33. 37/35
  34. 5/3
  35. 3/4
  36. 5/6
  37. 17/24
  38. 13/20
  39. 11/10
  40. 83/60

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