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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 48 · 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. 1.8/10 + 2/10 =
  2. 2.6/9 + 2/3 =
  3. 3.1/2 − 1/4 =
  4. 4.8/10 + 1/6 =
  5. 5.3/12 + 2/12 =
  6. 6.1/5 − 1/10 =
  7. 7.3/6 + 6/12 =
  8. 8.3/5 − 1/2 =
  9. 9.1/2 + 1/11 =
  10. 10.3/6 + 2/12 =
  11. 11.1/2 − 3/9 =
  12. 12.6/8 − 1/5 =
  13. 13.1/3 + 1/2 =
  14. 14.4/7 − 5/10 =
  15. 15.2/3 − 7/12 =
  16. 16.2/10 + 3/10 =
  17. 17.2/6 + 2/12 =
  18. 18.2/3 − 1/11 =
  19. 19.3/5 + 2/5 =
  20. 20.5/7 + 5/7 =
  21. 21.11/12 − 2/6 =
  22. 22.3/12 + 5/6 =
  23. 23.2/4 + 1/7 =
  24. 24.2/4 + 3/4 =
  25. 25.1/2 − 1/7 =
  26. 26.7/11 − 1/3 =
  27. 27.2/4 − 3/12 =
  28. 28.4/9 + 2/5 =
  29. 29.4/8 + 3/5 =
  30. 30.6/9 − 4/10 =
  31. 31.5/11 + 11/12 =
  32. 32.1/9 + 2/11 =
  33. 33.4/7 + 1/3 =
  34. 34.3/10 + 9/11 =
  35. 35.5/10 − 3/11 =
  36. 36.1/12 + 6/8 =
  37. 37.2/11 − 1/8 =
  38. 38.9/12 − 2/4 =
  39. 39.3/11 + 8/11 =
  40. 40.10/12 + 4/6 =

Answer key

  1. 1
  2. 4/3
  3. 1/4
  4. 29/30
  5. 5/12
  6. 1/10
  7. 1
  8. 1/10
  9. 13/22
  10. 2/3
  11. 1/6
  12. 11/20
  13. 5/6
  14. 1/14
  15. 1/12
  16. 1/2
  17. 1/2
  18. 19/33
  19. 1
  20. 10/7
  21. 7/12
  22. 13/12
  23. 9/14
  24. 5/4
  25. 5/14
  26. 10/33
  27. 1/4
  28. 38/45
  29. 11/10
  30. 4/15
  31. 181/132
  32. 29/99
  33. 19/21
  34. 123/110
  35. 5/22
  36. 5/6
  37. 5/88
  38. 1/4
  39. 1
  40. 3/2

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