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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 215 · 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. 1.7/12 + 5/11 =
  2. 2.5/7 − 1/4 =
  3. 3.1/4 + 4/7 =
  4. 4.1/2 + 2/6 =
  5. 5.1/5 + 7/12 =
  6. 6.7/11 + 4/10 =
  7. 7.1/2 − 1/3 =
  8. 8.4/6 + 7/10 =
  9. 9.1/11 + 1/2 =
  10. 10.4/5 − 4/8 =
  11. 11.8/12 + 1/2 =
  12. 12.6/9 + 9/10 =
  13. 13.1/3 + 3/4 =
  14. 14.7/12 − 1/4 =
  15. 15.9/11 + 3/6 =
  16. 16.6/9 + 4/11 =
  17. 17.1/2 − 3/11 =
  18. 18.4/5 − 2/3 =
  19. 19.5/6 + 6/11 =
  20. 20.4/11 + 3/4 =
  21. 21.6/7 − 1/6 =
  22. 22.3/4 + 1/2 =
  23. 23.3/5 + 2/8 =
  24. 24.5/7 − 4/8 =
  25. 25.2/4 + 3/7 =
  26. 26.9/12 − 2/3 =
  27. 27.3/6 + 6/9 =
  28. 28.4/5 − 1/6 =
  29. 29.2/12 + 9/12 =
  30. 30.2/4 − 4/12 =
  31. 31.5/6 − 1/4 =
  32. 32.4/8 − 2/12 =
  33. 33.5/11 − 1/3 =
  34. 34.2/3 − 1/7 =
  35. 35.5/8 + 2/8 =
  36. 36.3/5 + 2/5 =
  37. 37.1/3 + 7/11 =
  38. 38.5/8 + 1/2 =
  39. 39.3/4 + 4/6 =
  40. 40.3/6 + 2/10 =

Answer key

  1. 137/132
  2. 13/28
  3. 23/28
  4. 5/6
  5. 47/60
  6. 57/55
  7. 1/6
  8. 41/30
  9. 13/22
  10. 3/10
  11. 7/6
  12. 47/30
  13. 13/12
  14. 1/3
  15. 29/22
  16. 34/33
  17. 5/22
  18. 2/15
  19. 91/66
  20. 49/44
  21. 29/42
  22. 5/4
  23. 17/20
  24. 3/14
  25. 13/14
  26. 1/12
  27. 7/6
  28. 19/30
  29. 11/12
  30. 1/6
  31. 7/12
  32. 1/3
  33. 4/33
  34. 11/21
  35. 7/8
  36. 1
  37. 32/33
  38. 9/8
  39. 17/12
  40. 7/10

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