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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 104 · 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. 1.2/3 + 1/3 =
  2. 2.3/4 − 1/2 =
  3. 3.3/10 + 1/2 =
  4. 4.5/7 + 2/10 =
  5. 5.5/10 + 3/6 =
  6. 6.1/2 − 2/6 =
  7. 7.1/2 + 2/3 =
  8. 8.3/6 + 9/12 =
  9. 9.1/4 + 4/12 =
  10. 10.2/5 + 3/9 =
  11. 11.1/3 + 4/5 =
  12. 12.2/5 + 3/4 =
  13. 13.1/2 + 1/7 =
  14. 14.1/4 + 3/6 =
  15. 15.7/9 + 3/4 =
  16. 16.9/11 + 4/9 =
  17. 17.5/6 + 3/6 =
  18. 18.3/9 + 6/9 =
  19. 19.2/3 + 4/7 =
  20. 20.1/2 + 4/5 =
  21. 21.2/3 + 8/9 =
  22. 22.2/7 − 1/4 =
  23. 23.10/12 − 2/3 =
  24. 24.2/10 − 1/6 =
  25. 25.5/6 − 1/4 =
  26. 26.7/11 − 1/2 =
  27. 27.5/11 − 3/10 =
  28. 28.2/4 + 1/5 =
  29. 29.4/12 + 1/9 =
  30. 30.4/7 − 3/7 =
  31. 31.1/11 + 1/3 =
  32. 32.7/9 − 1/12 =
  33. 33.4/9 + 7/8 =
  34. 34.5/8 − 1/7 =
  35. 35.5/7 + 1/2 =
  36. 36.1/2 + 5/7 =
  37. 37.6/12 + 2/7 =
  38. 38.4/10 − 2/6 =
  39. 39.4/7 − 3/7 =
  40. 40.1/3 + 1/3 =

Answer key

  1. 1
  2. 1/4
  3. 4/5
  4. 32/35
  5. 1
  6. 1/6
  7. 7/6
  8. 5/4
  9. 7/12
  10. 11/15
  11. 17/15
  12. 23/20
  13. 9/14
  14. 3/4
  15. 55/36
  16. 125/99
  17. 4/3
  18. 1
  19. 26/21
  20. 13/10
  21. 14/9
  22. 1/28
  23. 1/6
  24. 1/30
  25. 7/12
  26. 3/22
  27. 17/110
  28. 7/10
  29. 4/9
  30. 1/7
  31. 14/33
  32. 25/36
  33. 95/72
  34. 27/56
  35. 17/14
  36. 17/14
  37. 11/14
  38. 1/15
  39. 1/7
  40. 2/3

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