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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 329 · 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. 1.1/6 + 4/9 =
  2. 2.1/9 + 4/5 =
  3. 3.3/8 + 1/5 =
  4. 4.2/5 − 1/10 =
  5. 5.2/3 + 2/3 =
  6. 6.6/7 + 9/12 =
  7. 7.3/4 − 1/5 =
  8. 8.6/10 − 2/6 =
  9. 9.7/8 − 2/5 =
  10. 10.3/6 + 1/9 =
  11. 11.8/12 + 2/5 =
  12. 12.4/8 − 3/10 =
  13. 13.3/7 − 2/5 =
  14. 14.6/9 + 3/12 =
  15. 15.5/6 − 2/9 =
  16. 16.1/3 + 4/7 =
  17. 17.2/4 + 3/5 =
  18. 18.2/11 + 1/2 =
  19. 19.4/5 − 6/10 =
  20. 20.1/2 − 1/9 =
  21. 21.7/12 + 1/9 =
  22. 22.9/11 + 1/3 =
  23. 23.3/4 − 1/3 =
  24. 24.1/2 + 2/10 =
  25. 25.7/9 + 1/11 =
  26. 26.2/3 + 4/6 =
  27. 27.8/12 + 2/9 =
  28. 28.6/7 + 2/3 =
  29. 29.9/10 − 7/11 =
  30. 30.1/9 + 4/7 =
  31. 31.2/12 + 6/9 =
  32. 32.4/6 + 1/2 =
  33. 33.4/10 − 3/11 =
  34. 34.3/5 + 2/4 =
  35. 35.2/7 + 1/3 =
  36. 36.7/8 + 2/12 =
  37. 37.1/11 + 1/2 =
  38. 38.5/7 − 1/2 =
  39. 39.1/2 + 3/6 =
  40. 40.5/6 + 9/11 =

Answer key

  1. 11/18
  2. 41/45
  3. 23/40
  4. 3/10
  5. 4/3
  6. 45/28
  7. 11/20
  8. 4/15
  9. 19/40
  10. 11/18
  11. 16/15
  12. 1/5
  13. 1/35
  14. 11/12
  15. 11/18
  16. 19/21
  17. 11/10
  18. 15/22
  19. 1/5
  20. 7/18
  21. 25/36
  22. 38/33
  23. 5/12
  24. 7/10
  25. 86/99
  26. 4/3
  27. 8/9
  28. 32/21
  29. 29/110
  30. 43/63
  31. 5/6
  32. 7/6
  33. 7/55
  34. 11/10
  35. 13/21
  36. 25/24
  37. 13/22
  38. 3/14
  39. 1
  40. 109/66

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