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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 573 · 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. 1.5/11 + 3/5 =
  2. 2.2/3 + 1/3 =
  3. 3.4/8 + 1/7 =
  4. 4.2/3 + 2/10 =
  5. 5.3/7 + 6/8 =
  6. 6.2/4 + 1/4 =
  7. 7.2/3 + 4/9 =
  8. 8.3/11 + 1/2 =
  9. 9.8/12 + 5/6 =
  10. 10.8/9 − 8/12 =
  11. 11.2/10 + 1/6 =
  12. 12.1/2 + 1/6 =
  13. 13.7/9 − 1/2 =
  14. 14.2/3 − 4/11 =
  15. 15.9/12 + 3/9 =
  16. 16.1/6 + 8/10 =
  17. 17.6/7 − 5/6 =
  18. 18.1/5 + 4/10 =
  19. 19.1/2 − 1/3 =
  20. 20.1/3 + 2/3 =
  21. 21.1/2 − 1/9 =
  22. 22.3/4 − 2/10 =
  23. 23.7/12 + 3/5 =
  24. 24.4/9 + 8/9 =
  25. 25.2/4 − 4/10 =
  26. 26.2/5 − 2/9 =
  27. 27.1/3 − 2/7 =
  28. 28.2/3 − 3/8 =
  29. 29.1/2 + 4/11 =
  30. 30.2/6 + 1/2 =
  31. 31.4/10 + 1/8 =
  32. 32.9/10 − 3/6 =
  33. 33.5/10 − 1/4 =
  34. 34.2/3 + 3/10 =
  35. 35.2/4 − 3/10 =
  36. 36.5/6 + 10/12 =
  37. 37.5/8 − 1/2 =
  38. 38.8/9 − 2/4 =
  39. 39.3/4 + 1/9 =
  40. 40.1/5 + 2/3 =

Answer key

  1. 58/55
  2. 1
  3. 9/14
  4. 13/15
  5. 33/28
  6. 3/4
  7. 10/9
  8. 17/22
  9. 3/2
  10. 2/9
  11. 11/30
  12. 2/3
  13. 5/18
  14. 10/33
  15. 13/12
  16. 29/30
  17. 1/42
  18. 3/5
  19. 1/6
  20. 1
  21. 7/18
  22. 11/20
  23. 71/60
  24. 4/3
  25. 1/10
  26. 8/45
  27. 1/21
  28. 7/24
  29. 19/22
  30. 5/6
  31. 21/40
  32. 2/5
  33. 1/4
  34. 29/30
  35. 1/5
  36. 5/3
  37. 1/8
  38. 7/18
  39. 31/36
  40. 13/15

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