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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 785 · 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. 1.1/4 + 1/2 =
  2. 2.2/12 + 3/12 =
  3. 3.7/9 − 1/2 =
  4. 4.3/5 + 5/10 =
  5. 5.8/10 + 5/10 =
  6. 6.1/3 − 1/10 =
  7. 7.5/8 + 2/10 =
  8. 8.7/8 + 1/2 =
  9. 9.3/12 + 9/10 =
  10. 10.1/7 + 1/2 =
  11. 11.3/12 − 1/7 =
  12. 12.8/12 + 1/2 =
  13. 13.5/9 + 1/5 =
  14. 14.5/11 − 1/4 =
  15. 15.8/9 − 5/10 =
  16. 16.10/12 − 1/3 =
  17. 17.6/8 + 1/3 =
  18. 18.7/8 − 2/3 =
  19. 19.6/12 − 1/4 =
  20. 20.7/10 + 4/12 =
  21. 21.1/2 + 4/8 =
  22. 22.3/4 − 1/3 =
  23. 23.3/6 + 3/6 =
  24. 24.6/8 − 1/7 =
  25. 25.5/7 − 1/11 =
  26. 26.4/8 + 4/7 =
  27. 27.1/3 + 2/5 =
  28. 28.6/10 − 1/2 =
  29. 29.1/3 + 1/3 =
  30. 30.1/2 + 3/11 =
  31. 31.3/11 + 5/10 =
  32. 32.9/12 + 2/12 =
  33. 33.7/11 − 1/2 =
  34. 34.8/10 − 1/3 =
  35. 35.11/12 − 3/9 =
  36. 36.3/10 + 1/3 =
  37. 37.3/8 + 3/4 =
  38. 38.1/3 + 4/8 =
  39. 39.5/7 + 5/6 =
  40. 40.1/2 + 5/10 =

Answer key

  1. 3/4
  2. 5/12
  3. 5/18
  4. 11/10
  5. 13/10
  6. 7/30
  7. 33/40
  8. 11/8
  9. 23/20
  10. 9/14
  11. 3/28
  12. 7/6
  13. 34/45
  14. 9/44
  15. 7/18
  16. 1/2
  17. 13/12
  18. 5/24
  19. 1/4
  20. 31/30
  21. 1
  22. 5/12
  23. 1
  24. 17/28
  25. 48/77
  26. 15/14
  27. 11/15
  28. 1/10
  29. 2/3
  30. 17/22
  31. 17/22
  32. 11/12
  33. 3/22
  34. 7/15
  35. 7/12
  36. 19/30
  37. 9/8
  38. 5/6
  39. 65/42
  40. 1

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