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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 73 · 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. 1.6/12 + 4/9 =
  2. 2.1/12 + 1/2 =
  3. 3.1/3 + 1/3 =
  4. 4.1/3 + 5/7 =
  5. 5.4/6 − 3/8 =
  6. 6.4/7 − 2/6 =
  7. 7.2/3 − 1/5 =
  8. 8.2/6 + 1/2 =
  9. 9.10/12 − 1/10 =
  10. 10.2/4 + 1/9 =
  11. 11.1/4 + 1/4 =
  12. 12.3/4 + 6/10 =
  13. 13.2/6 + 8/9 =
  14. 14.2/4 + 6/12 =
  15. 15.6/10 − 2/8 =
  16. 16.3/6 − 4/10 =
  17. 17.6/9 + 1/11 =
  18. 18.4/6 + 1/3 =
  19. 19.8/9 − 1/2 =
  20. 20.6/10 + 3/7 =
  21. 21.10/11 − 3/9 =
  22. 22.1/2 − 1/5 =
  23. 23.5/7 + 1/3 =
  24. 24.6/11 − 1/4 =
  25. 25.1/9 + 8/11 =
  26. 26.3/8 + 9/12 =
  27. 27.4/5 − 3/9 =
  28. 28.7/9 − 1/2 =
  29. 29.1/2 + 3/9 =
  30. 30.6/7 − 2/9 =
  31. 31.4/5 + 2/9 =
  32. 32.3/5 + 7/10 =
  33. 33.4/5 + 4/5 =
  34. 34.4/5 + 5/9 =
  35. 35.1/2 + 8/11 =
  36. 36.1/3 + 6/10 =
  37. 37.2/10 + 1/2 =
  38. 38.3/4 + 1/2 =
  39. 39.3/4 − 1/3 =
  40. 40.2/3 + 4/5 =

Answer key

  1. 17/18
  2. 7/12
  3. 2/3
  4. 22/21
  5. 7/24
  6. 5/21
  7. 7/15
  8. 5/6
  9. 11/15
  10. 11/18
  11. 1/2
  12. 27/20
  13. 11/9
  14. 1
  15. 7/20
  16. 1/10
  17. 25/33
  18. 1
  19. 7/18
  20. 36/35
  21. 19/33
  22. 3/10
  23. 22/21
  24. 13/44
  25. 83/99
  26. 9/8
  27. 7/15
  28. 5/18
  29. 5/6
  30. 40/63
  31. 46/45
  32. 13/10
  33. 8/5
  34. 61/45
  35. 27/22
  36. 14/15
  37. 7/10
  38. 5/4
  39. 5/12
  40. 22/15

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