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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 644 · 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. 1.2/5 − 1/9 =
  2. 2.8/9 + 1/2 =
  3. 3.2/5 + 1/8 =
  4. 4.1/2 + 1/2 =
  5. 5.10/11 + 2/10 =
  6. 6.6/12 − 3/9 =
  7. 7.2/3 + 5/7 =
  8. 8.1/2 + 1/2 =
  9. 9.3/4 + 1/2 =
  10. 10.2/9 + 7/8 =
  11. 11.1/6 + 4/6 =
  12. 12.5/9 − 1/3 =
  13. 13.1/2 − 1/6 =
  14. 14.4/6 + 2/3 =
  15. 15.3/7 + 1/2 =
  16. 16.2/3 + 1/4 =
  17. 17.1/2 + 1/3 =
  18. 18.1/3 + 1/6 =
  19. 19.6/12 + 1/2 =
  20. 20.1/2 + 7/8 =
  21. 21.4/6 − 2/9 =
  22. 22.1/3 + 3/7 =
  23. 23.1/3 − 1/4 =
  24. 24.7/8 − 6/8 =
  25. 25.1/3 − 2/10 =
  26. 26.2/9 + 1/5 =
  27. 27.6/9 + 1/2 =
  28. 28.5/7 − 1/6 =
  29. 29.3/5 − 1/10 =
  30. 30.1/2 + 1/2 =
  31. 31.3/9 + 7/9 =
  32. 32.2/8 + 1/2 =
  33. 33.7/10 − 2/4 =
  34. 34.8/10 + 1/7 =
  35. 35.4/5 + 5/6 =
  36. 36.8/9 − 1/2 =
  37. 37.2/10 + 1/12 =
  38. 38.1/2 + 1/5 =
  39. 39.5/8 − 2/9 =
  40. 40.1/2 − 3/9 =

Answer key

  1. 13/45
  2. 25/18
  3. 21/40
  4. 1
  5. 61/55
  6. 1/6
  7. 29/21
  8. 1
  9. 5/4
  10. 79/72
  11. 5/6
  12. 2/9
  13. 1/3
  14. 4/3
  15. 13/14
  16. 11/12
  17. 5/6
  18. 1/2
  19. 1
  20. 11/8
  21. 4/9
  22. 16/21
  23. 1/12
  24. 1/8
  25. 2/15
  26. 19/45
  27. 7/6
  28. 23/42
  29. 1/2
  30. 1
  31. 10/9
  32. 3/4
  33. 1/5
  34. 33/35
  35. 49/30
  36. 7/18
  37. 17/60
  38. 7/10
  39. 29/72
  40. 1/6

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