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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 682 · 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. 1.4/6 + 1/5 =
  2. 2.2/6 + 3/4 =
  3. 3.1/5 + 4/11 =
  4. 4.1/8 + 1/8 =
  5. 5.1/7 + 1/2 =
  6. 6.1/2 + 2/7 =
  7. 7.2/11 − 1/11 =
  8. 8.1/5 − 1/8 =
  9. 9.2/7 + 7/12 =
  10. 10.2/3 + 7/12 =
  11. 11.7/8 + 1/3 =
  12. 12.1/2 − 3/11 =
  13. 13.10/11 − 1/2 =
  14. 14.2/5 + 3/12 =
  15. 15.3/5 − 1/3 =
  16. 16.3/5 + 8/9 =
  17. 17.3/8 − 2/9 =
  18. 18.1/2 − 1/7 =
  19. 19.1/3 + 2/3 =
  20. 20.6/7 − 7/12 =
  21. 21.1/2 − 1/4 =
  22. 22.6/11 − 1/3 =
  23. 23.1/9 + 1/2 =
  24. 24.2/4 + 3/4 =
  25. 25.1/2 − 1/4 =
  26. 26.2/4 + 2/4 =
  27. 27.6/8 − 8/11 =
  28. 28.6/8 − 5/7 =
  29. 29.1/2 + 7/10 =
  30. 30.3/8 + 5/6 =
  31. 31.10/11 − 2/7 =
  32. 32.2/5 + 1/3 =
  33. 33.3/5 − 5/11 =
  34. 34.1/2 − 1/10 =
  35. 35.3/4 − 4/8 =
  36. 36.2/8 + 6/7 =
  37. 37.1/6 + 1/4 =
  38. 38.1/3 + 5/7 =
  39. 39.2/4 − 1/11 =
  40. 40.3/5 − 1/3 =

Answer key

  1. 13/15
  2. 13/12
  3. 31/55
  4. 1/4
  5. 9/14
  6. 11/14
  7. 1/11
  8. 3/40
  9. 73/84
  10. 5/4
  11. 29/24
  12. 5/22
  13. 9/22
  14. 13/20
  15. 4/15
  16. 67/45
  17. 11/72
  18. 5/14
  19. 1
  20. 23/84
  21. 1/4
  22. 7/33
  23. 11/18
  24. 5/4
  25. 1/4
  26. 1
  27. 1/44
  28. 1/28
  29. 6/5
  30. 29/24
  31. 48/77
  32. 11/15
  33. 8/55
  34. 2/5
  35. 1/4
  36. 31/28
  37. 5/12
  38. 22/21
  39. 9/22
  40. 4/15

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