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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 538 · 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. 1.5/7 + 5/9 =
  2. 2.1/4 + 1/2 =
  3. 3.1/2 + 1/3 =
  4. 4.7/12 + 3/8 =
  5. 5.2/3 − 2/9 =
  6. 6.1/3 − 1/8 =
  7. 7.5/10 − 3/11 =
  8. 8.7/10 − 6/12 =
  9. 9.1/2 + 1/4 =
  10. 10.6/11 − 2/6 =
  11. 11.2/7 + 1/4 =
  12. 12.1/2 + 3/6 =
  13. 13.3/6 − 1/3 =
  14. 14.3/6 + 1/2 =
  15. 15.1/3 − 2/9 =
  16. 16.1/2 − 1/7 =
  17. 17.1/4 + 1/8 =
  18. 18.3/6 − 2/12 =
  19. 19.1/2 − 1/8 =
  20. 20.1/3 + 1/2 =
  21. 21.6/7 + 2/3 =
  22. 22.6/12 + 1/11 =
  23. 23.1/11 + 3/8 =
  24. 24.1/3 + 4/9 =
  25. 25.3/7 + 1/2 =
  26. 26.1/3 + 3/10 =
  27. 27.4/11 + 1/2 =
  28. 28.2/6 + 1/2 =
  29. 29.2/11 + 2/3 =
  30. 30.1/7 + 6/12 =
  31. 31.6/7 + 1/6 =
  32. 32.2/3 + 1/12 =
  33. 33.4/11 − 1/8 =
  34. 34.3/4 + 1/3 =
  35. 35.3/4 + 10/11 =
  36. 36.1/2 + 6/9 =
  37. 37.9/11 + 3/5 =
  38. 38.5/7 − 3/10 =
  39. 39.6/10 − 1/10 =
  40. 40.5/6 − 1/2 =

Answer key

  1. 80/63
  2. 3/4
  3. 5/6
  4. 23/24
  5. 4/9
  6. 5/24
  7. 5/22
  8. 1/5
  9. 3/4
  10. 7/33
  11. 15/28
  12. 1
  13. 1/6
  14. 1
  15. 1/9
  16. 5/14
  17. 3/8
  18. 1/3
  19. 3/8
  20. 5/6
  21. 32/21
  22. 13/22
  23. 41/88
  24. 7/9
  25. 13/14
  26. 19/30
  27. 19/22
  28. 5/6
  29. 28/33
  30. 9/14
  31. 43/42
  32. 3/4
  33. 21/88
  34. 13/12
  35. 73/44
  36. 7/6
  37. 78/55
  38. 29/70
  39. 1/2
  40. 1/3

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