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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 275 · 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. 1.9/12 + 5/6 =
  2. 2.3/6 + 6/9 =
  3. 3.2/3 − 1/8 =
  4. 4.2/4 − 3/7 =
  5. 5.5/8 + 6/12 =
  6. 6.1/5 + 3/6 =
  7. 7.2/5 − 1/8 =
  8. 8.1/2 + 2/7 =
  9. 9.1/4 + 3/5 =
  10. 10.3/12 + 4/8 =
  11. 11.3/7 + 7/11 =
  12. 12.6/10 − 1/10 =
  13. 13.1/2 + 1/8 =
  14. 14.4/6 + 1/10 =
  15. 15.5/7 − 1/10 =
  16. 16.2/3 − 1/6 =
  17. 17.1/2 + 2/3 =
  18. 18.2/3 − 1/11 =
  19. 19.7/9 − 1/5 =
  20. 20.6/10 − 4/8 =
  21. 21.11/12 + 2/7 =
  22. 22.7/10 + 2/8 =
  23. 23.9/10 − 7/11 =
  24. 24.10/12 − 4/8 =
  25. 25.4/6 + 4/11 =
  26. 26.2/11 + 1/7 =
  27. 27.7/12 + 1/4 =
  28. 28.1/4 + 7/11 =
  29. 29.7/9 + 1/2 =
  30. 30.2/3 − 4/11 =
  31. 31.2/8 + 5/6 =
  32. 32.4/10 + 1/2 =
  33. 33.2/10 + 7/12 =
  34. 34.1/3 + 3/4 =
  35. 35.3/6 + 6/8 =
  36. 36.3/8 − 1/4 =
  37. 37.4/8 + 2/8 =
  38. 38.2/4 + 1/7 =
  39. 39.2/5 − 1/3 =
  40. 40.1/2 − 3/11 =

Answer key

  1. 19/12
  2. 7/6
  3. 13/24
  4. 1/14
  5. 9/8
  6. 7/10
  7. 11/40
  8. 11/14
  9. 17/20
  10. 3/4
  11. 82/77
  12. 1/2
  13. 5/8
  14. 23/30
  15. 43/70
  16. 1/2
  17. 7/6
  18. 19/33
  19. 26/45
  20. 1/10
  21. 101/84
  22. 19/20
  23. 29/110
  24. 1/3
  25. 34/33
  26. 25/77
  27. 5/6
  28. 39/44
  29. 23/18
  30. 10/33
  31. 13/12
  32. 9/10
  33. 47/60
  34. 13/12
  35. 5/4
  36. 1/8
  37. 3/4
  38. 9/14
  39. 1/15
  40. 5/22

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