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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 191 · 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. 1.5/7 − 3/6 =
  2. 2.8/11 − 2/9 =
  3. 3.3/10 + 3/4 =
  4. 4.3/4 − 1/5 =
  5. 5.2/6 − 3/11 =
  6. 6.8/9 + 1/2 =
  7. 7.1/2 + 1/2 =
  8. 8.3/8 + 5/12 =
  9. 9.3/6 + 8/12 =
  10. 10.2/5 − 3/8 =
  11. 11.1/2 + 1/8 =
  12. 12.5/6 + 2/4 =
  13. 13.2/4 − 4/12 =
  14. 14.1/3 − 1/4 =
  15. 15.3/8 + 3/8 =
  16. 16.9/11 − 3/4 =
  17. 17.2/5 + 3/8 =
  18. 18.7/10 − 2/10 =
  19. 19.7/9 − 4/7 =
  20. 20.1/2 − 4/10 =
  21. 21.3/5 − 2/6 =
  22. 22.1/4 + 1/3 =
  23. 23.7/10 − 4/7 =
  24. 24.3/9 + 1/10 =
  25. 25.6/7 + 5/10 =
  26. 26.1/2 − 2/12 =
  27. 27.4/11 − 1/5 =
  28. 28.6/8 − 1/2 =
  29. 29.8/9 + 4/8 =
  30. 30.4/5 − 7/11 =
  31. 31.1/3 − 1/6 =
  32. 32.3/6 + 1/10 =
  33. 33.2/4 − 3/8 =
  34. 34.8/9 − 1/2 =
  35. 35.8/9 + 1/2 =
  36. 36.9/11 + 4/7 =
  37. 37.8/10 − 2/3 =
  38. 38.6/11 + 4/12 =
  39. 39.3/6 − 2/7 =
  40. 40.1/7 + 3/4 =

Answer key

  1. 3/14
  2. 50/99
  3. 21/20
  4. 11/20
  5. 2/33
  6. 25/18
  7. 1
  8. 19/24
  9. 7/6
  10. 1/40
  11. 5/8
  12. 4/3
  13. 1/6
  14. 1/12
  15. 3/4
  16. 3/44
  17. 31/40
  18. 1/2
  19. 13/63
  20. 1/10
  21. 4/15
  22. 7/12
  23. 9/70
  24. 13/30
  25. 19/14
  26. 1/3
  27. 9/55
  28. 1/4
  29. 25/18
  30. 9/55
  31. 1/6
  32. 3/5
  33. 1/8
  34. 7/18
  35. 25/18
  36. 107/77
  37. 2/15
  38. 29/33
  39. 3/14
  40. 25/28

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