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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 807 · 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. 1.2/4 + 3/7 =
  2. 2.3/4 − 1/6 =
  3. 3.4/5 − 2/5 =
  4. 4.7/8 + 1/2 =
  5. 5.1/2 + 1/11 =
  6. 6.8/12 + 2/11 =
  7. 7.9/10 − 1/2 =
  8. 8.2/11 + 9/11 =
  9. 9.7/10 − 1/11 =
  10. 10.2/3 + 2/3 =
  11. 11.2/6 + 2/3 =
  12. 12.6/8 + 1/8 =
  13. 13.4/9 − 2/5 =
  14. 14.1/9 + 3/5 =
  15. 15.1/9 + 1/2 =
  16. 16.5/7 − 2/9 =
  17. 17.6/12 − 1/4 =
  18. 18.4/7 − 2/9 =
  19. 19.3/4 − 1/3 =
  20. 20.1/2 + 1/3 =
  21. 21.1/2 + 1/2 =
  22. 22.5/6 − 2/11 =
  23. 23.2/8 − 1/12 =
  24. 24.1/2 + 2/9 =
  25. 25.10/12 + 1/3 =
  26. 26.3/9 + 8/11 =
  27. 27.1/2 + 9/11 =
  28. 28.5/9 − 1/6 =
  29. 29.2/7 + 1/2 =
  30. 30.6/9 − 3/7 =
  31. 31.10/11 − 1/6 =
  32. 32.4/12 + 1/4 =
  33. 33.1/3 − 1/6 =
  34. 34.3/4 − 1/2 =
  35. 35.2/4 − 1/3 =
  36. 36.1/3 + 2/8 =
  37. 37.4/6 − 4/7 =
  38. 38.2/3 − 1/2 =
  39. 39.3/5 − 5/12 =
  40. 40.3/5 + 1/2 =

Answer key

  1. 13/14
  2. 7/12
  3. 2/5
  4. 11/8
  5. 13/22
  6. 28/33
  7. 2/5
  8. 1
  9. 67/110
  10. 4/3
  11. 1
  12. 7/8
  13. 2/45
  14. 32/45
  15. 11/18
  16. 31/63
  17. 1/4
  18. 22/63
  19. 5/12
  20. 5/6
  21. 1
  22. 43/66
  23. 1/6
  24. 13/18
  25. 7/6
  26. 35/33
  27. 29/22
  28. 7/18
  29. 11/14
  30. 5/21
  31. 49/66
  32. 7/12
  33. 1/6
  34. 1/4
  35. 1/6
  36. 7/12
  37. 2/21
  38. 1/6
  39. 11/60
  40. 11/10

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