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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 207 · 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. 1.3/7 + 1/3 =
  2. 2.1/2 − 2/6 =
  3. 3.2/4 + 2/5 =
  4. 4.9/10 − 6/11 =
  5. 5.2/3 − 1/2 =
  6. 6.1/4 + 6/9 =
  7. 7.2/3 − 1/5 =
  8. 8.4/7 + 3/10 =
  9. 9.10/12 + 10/12 =
  10. 10.4/11 − 3/12 =
  11. 11.5/7 + 3/10 =
  12. 12.2/3 − 1/2 =
  13. 13.4/5 − 2/3 =
  14. 14.5/6 + 5/7 =
  15. 15.4/5 − 5/10 =
  16. 16.3/7 + 2/3 =
  17. 17.1/3 + 1/2 =
  18. 18.3/6 + 4/9 =
  19. 19.1/2 + 1/3 =
  20. 20.2/10 + 2/3 =
  21. 21.1/7 + 1/3 =
  22. 22.1/2 + 3/5 =
  23. 23.1/2 + 1/2 =
  24. 24.6/10 − 3/6 =
  25. 25.3/5 + 1/6 =
  26. 26.2/7 − 1/8 =
  27. 27.2/4 − 1/7 =
  28. 28.4/6 − 4/8 =
  29. 29.1/2 − 4/9 =
  30. 30.2/3 − 1/5 =
  31. 31.6/11 − 1/2 =
  32. 32.5/12 − 1/3 =
  33. 33.2/4 + 1/3 =
  34. 34.9/10 + 6/9 =
  35. 35.4/6 − 3/5 =
  36. 36.3/4 − 1/4 =
  37. 37.3/4 + 5/8 =
  38. 38.1/8 + 2/8 =
  39. 39.3/6 + 1/8 =
  40. 40.1/2 + 6/9 =

Answer key

  1. 16/21
  2. 1/6
  3. 9/10
  4. 39/110
  5. 1/6
  6. 11/12
  7. 7/15
  8. 61/70
  9. 5/3
  10. 5/44
  11. 71/70
  12. 1/6
  13. 2/15
  14. 65/42
  15. 3/10
  16. 23/21
  17. 5/6
  18. 17/18
  19. 5/6
  20. 13/15
  21. 10/21
  22. 11/10
  23. 1
  24. 1/10
  25. 23/30
  26. 9/56
  27. 5/14
  28. 1/6
  29. 1/18
  30. 7/15
  31. 1/22
  32. 1/12
  33. 5/6
  34. 47/30
  35. 1/15
  36. 1/2
  37. 11/8
  38. 3/8
  39. 5/8
  40. 7/6

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