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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 196 · 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. 1.6/8 + 3/8 =
  2. 2.3/6 − 3/10 =
  3. 3.5/11 − 3/7 =
  4. 4.7/9 + 2/3 =
  5. 5.1/2 + 2/5 =
  6. 6.2/3 − 1/2 =
  7. 7.2/4 + 1/2 =
  8. 8.4/12 + 1/5 =
  9. 9.1/2 − 2/11 =
  10. 10.5/9 − 1/3 =
  11. 11.4/8 + 3/11 =
  12. 12.7/12 + 3/12 =
  13. 13.3/10 − 2/10 =
  14. 14.1/4 + 1/4 =
  15. 15.1/12 + 1/5 =
  16. 16.5/9 + 4/11 =
  17. 17.2/6 − 1/9 =
  18. 18.7/11 + 3/6 =
  19. 19.7/11 − 6/12 =
  20. 20.3/8 + 8/12 =
  21. 21.6/7 − 1/2 =
  22. 22.10/11 + 5/10 =
  23. 23.1/10 + 1/2 =
  24. 24.11/12 + 6/12 =
  25. 25.2/3 − 3/8 =
  26. 26.2/7 + 2/4 =
  27. 27.1/2 + 4/6 =
  28. 28.2/4 + 2/5 =
  29. 29.9/10 + 1/8 =
  30. 30.3/6 + 2/5 =
  31. 31.1/2 − 2/5 =
  32. 32.1/2 − 2/7 =
  33. 33.9/11 + 1/2 =
  34. 34.1/4 − 1/9 =
  35. 35.2/4 + 1/10 =
  36. 36.3/6 − 2/10 =
  37. 37.6/7 + 3/9 =
  38. 38.7/9 + 9/11 =
  39. 39.6/7 − 1/7 =
  40. 40.2/8 − 1/8 =

Answer key

  1. 9/8
  2. 1/5
  3. 2/77
  4. 13/9
  5. 9/10
  6. 1/6
  7. 1
  8. 8/15
  9. 7/22
  10. 2/9
  11. 17/22
  12. 5/6
  13. 1/10
  14. 1/2
  15. 17/60
  16. 91/99
  17. 2/9
  18. 25/22
  19. 3/22
  20. 25/24
  21. 5/14
  22. 31/22
  23. 3/5
  24. 17/12
  25. 7/24
  26. 11/14
  27. 7/6
  28. 9/10
  29. 41/40
  30. 9/10
  31. 1/10
  32. 3/14
  33. 29/22
  34. 5/36
  35. 3/5
  36. 3/10
  37. 25/21
  38. 158/99
  39. 5/7
  40. 1/8

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