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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 57 · 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. 1.2/10 + 2/8 =
  2. 2.6/10 − 1/2 =
  3. 3.9/11 + 2/5 =
  4. 4.10/11 + 2/9 =
  5. 5.6/8 + 2/4 =
  6. 6.6/11 − 2/9 =
  7. 7.3/6 + 3/4 =
  8. 8.1/8 + 2/6 =
  9. 9.1/6 + 4/7 =
  10. 10.6/8 − 5/9 =
  11. 11.1/2 − 2/5 =
  12. 12.1/2 + 6/7 =
  13. 13.2/7 + 5/7 =
  14. 14.3/4 + 1/11 =
  15. 15.1/2 + 8/11 =
  16. 16.9/10 + 1/3 =
  17. 17.1/2 + 1/2 =
  18. 18.6/10 − 2/5 =
  19. 19.1/6 + 4/7 =
  20. 20.8/10 − 2/11 =
  21. 21.6/11 − 2/5 =
  22. 22.7/8 − 9/11 =
  23. 23.8/9 − 6/11 =
  24. 24.1/2 + 2/9 =
  25. 25.4/6 − 1/2 =
  26. 26.6/10 + 8/11 =
  27. 27.3/4 + 4/5 =
  28. 28.3/7 + 1/3 =
  29. 29.2/3 + 2/4 =
  30. 30.1/7 + 1/3 =
  31. 31.5/10 + 5/6 =
  32. 32.1/4 + 1/8 =
  33. 33.1/5 + 2/12 =
  34. 34.5/8 − 2/6 =
  35. 35.5/10 + 1/3 =
  36. 36.6/12 + 1/3 =
  37. 37.3/4 − 1/7 =
  38. 38.6/9 + 1/4 =
  39. 39.1/2 + 2/4 =
  40. 40.3/8 + 3/4 =

Answer key

  1. 9/20
  2. 1/10
  3. 67/55
  4. 112/99
  5. 5/4
  6. 32/99
  7. 5/4
  8. 11/24
  9. 31/42
  10. 7/36
  11. 1/10
  12. 19/14
  13. 1
  14. 37/44
  15. 27/22
  16. 37/30
  17. 1
  18. 1/5
  19. 31/42
  20. 34/55
  21. 8/55
  22. 5/88
  23. 34/99
  24. 13/18
  25. 1/6
  26. 73/55
  27. 31/20
  28. 16/21
  29. 7/6
  30. 10/21
  31. 4/3
  32. 3/8
  33. 11/30
  34. 7/24
  35. 5/6
  36. 5/6
  37. 17/28
  38. 11/12
  39. 1
  40. 9/8

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