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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 919 · 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. 1.4/7 − 5/12 =
  2. 2.2/3 + 2/10 =
  3. 3.6/8 − 2/6 =
  4. 4.2/3 − 3/9 =
  5. 5.8/11 + 4/9 =
  6. 6.8/10 + 3/9 =
  7. 7.3/4 + 6/11 =
  8. 8.1/2 + 3/8 =
  9. 9.1/3 + 9/10 =
  10. 10.2/5 − 1/3 =
  11. 11.6/10 + 4/12 =
  12. 12.4/6 + 2/4 =
  13. 13.1/2 + 5/12 =
  14. 14.2/3 + 10/12 =
  15. 15.2/3 − 1/8 =
  16. 16.2/10 − 1/11 =
  17. 17.4/5 + 6/11 =
  18. 18.1/4 + 5/12 =
  19. 19.1/5 + 9/12 =
  20. 20.1/3 + 1/3 =
  21. 21.7/11 + 2/3 =
  22. 22.1/7 + 3/5 =
  23. 23.1/3 − 1/6 =
  24. 24.3/4 + 3/4 =
  25. 25.6/9 − 6/10 =
  26. 26.2/3 − 3/10 =
  27. 27.1/2 + 1/2 =
  28. 28.5/6 − 6/9 =
  29. 29.3/9 − 1/11 =
  30. 30.4/5 + 2/3 =
  31. 31.1/11 + 3/6 =
  32. 32.5/7 + 4/10 =
  33. 33.1/12 + 1/3 =
  34. 34.4/5 + 7/9 =
  35. 35.2/5 − 1/4 =
  36. 36.7/9 + 1/7 =
  37. 37.1/4 + 2/4 =
  38. 38.4/6 − 2/5 =
  39. 39.4/6 + 1/2 =
  40. 40.1/9 + 8/10 =

Answer key

  1. 13/84
  2. 13/15
  3. 5/12
  4. 1/3
  5. 116/99
  6. 17/15
  7. 57/44
  8. 7/8
  9. 37/30
  10. 1/15
  11. 14/15
  12. 7/6
  13. 11/12
  14. 3/2
  15. 13/24
  16. 6/55
  17. 74/55
  18. 2/3
  19. 19/20
  20. 2/3
  21. 43/33
  22. 26/35
  23. 1/6
  24. 3/2
  25. 1/15
  26. 11/30
  27. 1
  28. 1/6
  29. 8/33
  30. 22/15
  31. 13/22
  32. 39/35
  33. 5/12
  34. 71/45
  35. 3/20
  36. 58/63
  37. 3/4
  38. 4/15
  39. 7/6
  40. 41/45

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