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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 743 · 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. 1.1/2 − 1/8 =
  2. 2.5/12 + 2/4 =
  3. 3.5/10 − 3/7 =
  4. 4.1/2 + 6/10 =
  5. 5.4/8 + 1/2 =
  6. 6.11/12 + 1/3 =
  7. 7.4/6 − 1/2 =
  8. 8.4/6 + 2/10 =
  9. 9.1/2 + 2/12 =
  10. 10.2/7 + 4/10 =
  11. 11.2/5 + 11/12 =
  12. 12.2/8 + 4/6 =
  13. 13.5/9 + 1/6 =
  14. 14.1/2 − 1/3 =
  15. 15.1/2 − 3/8 =
  16. 16.2/4 + 1/2 =
  17. 17.1/4 − 1/5 =
  18. 18.2/6 + 5/6 =
  19. 19.2/3 + 2/3 =
  20. 20.10/11 + 5/8 =
  21. 21.6/10 + 2/12 =
  22. 22.3/6 − 1/3 =
  23. 23.3/8 + 2/10 =
  24. 24.7/8 + 1/6 =
  25. 25.2/3 + 4/9 =
  26. 26.1/5 + 2/10 =
  27. 27.3/6 − 1/4 =
  28. 28.4/6 + 3/10 =
  29. 29.4/8 + 3/11 =
  30. 30.9/11 − 5/7 =
  31. 31.1/6 + 1/4 =
  32. 32.4/11 + 10/11 =
  33. 33.1/4 + 3/4 =
  34. 34.1/2 + 1/4 =
  35. 35.2/12 + 5/6 =
  36. 36.4/12 + 1/2 =
  37. 37.2/12 + 1/2 =
  38. 38.1/5 + 4/12 =
  39. 39.3/6 + 1/6 =
  40. 40.6/8 − 5/11 =

Answer key

  1. 3/8
  2. 11/12
  3. 1/14
  4. 11/10
  5. 1
  6. 5/4
  7. 1/6
  8. 13/15
  9. 2/3
  10. 24/35
  11. 79/60
  12. 11/12
  13. 13/18
  14. 1/6
  15. 1/8
  16. 1
  17. 1/20
  18. 7/6
  19. 4/3
  20. 135/88
  21. 23/30
  22. 1/6
  23. 23/40
  24. 25/24
  25. 10/9
  26. 2/5
  27. 1/4
  28. 29/30
  29. 17/22
  30. 8/77
  31. 5/12
  32. 14/11
  33. 1
  34. 3/4
  35. 1
  36. 5/6
  37. 2/3
  38. 8/15
  39. 2/3
  40. 13/44

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