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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 68 · 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. 1.3/5 + 5/10 =
  2. 2.1/2 + 1/2 =
  3. 3.1/4 + 1/2 =
  4. 4.2/6 + 1/4 =
  5. 5.1/4 + 2/3 =
  6. 6.2/5 − 3/12 =
  7. 7.2/3 − 1/2 =
  8. 8.5/7 − 2/3 =
  9. 9.2/3 + 1/3 =
  10. 10.3/8 − 1/6 =
  11. 11.4/10 − 1/6 =
  12. 12.3/12 + 3/4 =
  13. 13.4/5 − 1/2 =
  14. 14.3/9 + 2/4 =
  15. 15.10/11 + 7/8 =
  16. 16.1/2 − 4/12 =
  17. 17.4/6 − 2/5 =
  18. 18.1/5 + 7/9 =
  19. 19.4/10 + 2/3 =
  20. 20.2/7 + 3/9 =
  21. 21.2/8 + 2/9 =
  22. 22.2/4 − 1/11 =
  23. 23.1/7 + 2/11 =
  24. 24.8/9 + 1/4 =
  25. 25.6/9 + 1/2 =
  26. 26.2/11 + 1/5 =
  27. 27.3/6 + 2/4 =
  28. 28.1/6 + 2/8 =
  29. 29.7/10 + 2/8 =
  30. 30.5/12 + 2/3 =
  31. 31.2/4 − 3/7 =
  32. 32.7/8 − 4/9 =
  33. 33.2/12 + 2/12 =
  34. 34.1/2 + 2/7 =
  35. 35.1/5 + 4/10 =
  36. 36.8/9 − 4/9 =
  37. 37.2/7 + 2/4 =
  38. 38.6/7 − 1/4 =
  39. 39.6/9 − 1/2 =
  40. 40.3/4 − 1/5 =

Answer key

  1. 11/10
  2. 1
  3. 3/4
  4. 7/12
  5. 11/12
  6. 3/20
  7. 1/6
  8. 1/21
  9. 1
  10. 5/24
  11. 7/30
  12. 1
  13. 3/10
  14. 5/6
  15. 157/88
  16. 1/6
  17. 4/15
  18. 44/45
  19. 16/15
  20. 13/21
  21. 17/36
  22. 9/22
  23. 25/77
  24. 41/36
  25. 7/6
  26. 21/55
  27. 1
  28. 5/12
  29. 19/20
  30. 13/12
  31. 1/14
  32. 31/72
  33. 1/3
  34. 11/14
  35. 3/5
  36. 4/9
  37. 11/14
  38. 17/28
  39. 1/6
  40. 11/20

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