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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 471 · 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. 1.6/7 + 1/6 =
  2. 2.1/4 + 9/12 =
  3. 3.2/8 − 1/8 =
  4. 4.6/10 − 2/9 =
  5. 5.1/4 + 1/12 =
  6. 6.1/3 − 1/9 =
  7. 7.6/9 − 1/2 =
  8. 8.4/7 − 2/12 =
  9. 9.4/6 + 6/9 =
  10. 10.1/2 + 4/8 =
  11. 11.1/6 + 9/12 =
  12. 12.6/10 − 4/9 =
  13. 13.1/7 + 6/9 =
  14. 14.6/7 − 2/3 =
  15. 15.3/4 − 5/7 =
  16. 16.3/6 − 1/5 =
  17. 17.4/6 − 2/9 =
  18. 18.1/2 + 4/6 =
  19. 19.7/9 − 2/6 =
  20. 20.8/9 + 2/10 =
  21. 21.1/6 + 1/4 =
  22. 22.6/8 + 1/3 =
  23. 23.2/10 + 1/4 =
  24. 24.2/10 + 4/5 =
  25. 25.4/5 − 1/3 =
  26. 26.4/5 − 5/10 =
  27. 27.1/7 + 5/7 =
  28. 28.4/7 − 3/8 =
  29. 29.1/2 + 9/12 =
  30. 30.8/10 − 2/6 =
  31. 31.4/7 + 2/8 =
  32. 32.6/9 + 1/6 =
  33. 33.2/4 + 1/2 =
  34. 34.3/5 − 1/3 =
  35. 35.1/4 + 1/4 =
  36. 36.2/3 − 2/6 =
  37. 37.1/4 + 1/2 =
  38. 38.6/8 + 2/3 =
  39. 39.1/7 + 2/5 =
  40. 40.1/3 + 1/4 =

Answer key

  1. 43/42
  2. 1
  3. 1/8
  4. 17/45
  5. 1/3
  6. 2/9
  7. 1/6
  8. 17/42
  9. 4/3
  10. 1
  11. 11/12
  12. 7/45
  13. 17/21
  14. 4/21
  15. 1/28
  16. 3/10
  17. 4/9
  18. 7/6
  19. 4/9
  20. 49/45
  21. 5/12
  22. 13/12
  23. 9/20
  24. 1
  25. 7/15
  26. 3/10
  27. 6/7
  28. 11/56
  29. 5/4
  30. 7/15
  31. 23/28
  32. 5/6
  33. 1
  34. 4/15
  35. 1/2
  36. 1/3
  37. 3/4
  38. 17/12
  39. 19/35
  40. 7/12

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