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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 710 · 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 − 5/10 =
  2. 2.6/11 + 2/9 =
  3. 3.1/2 + 1/10 =
  4. 4.1/9 + 3/8 =
  5. 5.3/5 + 3/9 =
  6. 6.1/2 + 1/5 =
  7. 7.8/10 + 8/9 =
  8. 8.3/10 + 6/10 =
  9. 9.7/8 + 3/4 =
  10. 10.1/2 − 4/11 =
  11. 11.1/2 + 7/9 =
  12. 12.1/2 + 6/7 =
  13. 13.7/9 − 3/8 =
  14. 14.5/8 − 1/7 =
  15. 15.1/2 + 2/7 =
  16. 16.2/3 − 2/4 =
  17. 17.2/5 − 1/7 =
  18. 18.1/2 + 5/8 =
  19. 19.4/7 + 6/10 =
  20. 20.1/3 − 2/10 =
  21. 21.1/7 + 2/11 =
  22. 22.2/5 + 3/4 =
  23. 23.2/4 + 2/9 =
  24. 24.1/2 − 2/10 =
  25. 25.3/4 − 2/3 =
  26. 26.4/6 − 1/12 =
  27. 27.7/8 + 8/12 =
  28. 28.6/12 − 1/3 =
  29. 29.5/10 + 3/4 =
  30. 30.2/8 + 4/8 =
  31. 31.8/10 − 3/12 =
  32. 32.1/4 + 1/11 =
  33. 33.3/4 + 6/8 =
  34. 34.3/12 + 5/9 =
  35. 35.1/2 − 5/12 =
  36. 36.1/2 − 4/9 =
  37. 37.4/7 + 2/7 =
  38. 38.1/7 + 1/3 =
  39. 39.5/6 + 5/9 =
  40. 40.7/9 − 6/9 =

Answer key

  1. 1/6
  2. 76/99
  3. 3/5
  4. 35/72
  5. 14/15
  6. 7/10
  7. 76/45
  8. 9/10
  9. 13/8
  10. 3/22
  11. 23/18
  12. 19/14
  13. 29/72
  14. 27/56
  15. 11/14
  16. 1/6
  17. 9/35
  18. 9/8
  19. 41/35
  20. 2/15
  21. 25/77
  22. 23/20
  23. 13/18
  24. 3/10
  25. 1/12
  26. 7/12
  27. 37/24
  28. 1/6
  29. 5/4
  30. 3/4
  31. 11/20
  32. 15/44
  33. 3/2
  34. 29/36
  35. 1/12
  36. 1/18
  37. 6/7
  38. 10/21
  39. 25/18
  40. 1/9

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