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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 399 · 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. 1.2/4 + 1/5 =
  2. 2.1/3 − 2/8 =
  3. 3.3/4 + 1/2 =
  4. 4.5/9 + 1/2 =
  5. 5.7/8 + 2/5 =
  6. 6.5/6 + 7/10 =
  7. 7.3/4 + 3/10 =
  8. 8.3/5 − 3/7 =
  9. 9.6/10 − 4/11 =
  10. 10.1/2 − 1/3 =
  11. 11.5/9 + 1/2 =
  12. 12.1/2 + 5/7 =
  13. 13.1/2 + 3/11 =
  14. 14.1/2 + 5/10 =
  15. 15.7/12 − 1/3 =
  16. 16.3/7 + 3/6 =
  17. 17.3/9 + 4/6 =
  18. 18.2/9 − 1/11 =
  19. 19.2/4 − 1/7 =
  20. 20.5/9 − 2/8 =
  21. 21.10/11 + 2/4 =
  22. 22.7/11 + 3/4 =
  23. 23.2/3 − 3/11 =
  24. 24.1/2 + 2/8 =
  25. 25.2/6 + 6/9 =
  26. 26.1/4 + 1/4 =
  27. 27.1/2 + 1/5 =
  28. 28.2/4 − 3/7 =
  29. 29.1/10 + 1/6 =
  30. 30.1/2 + 4/5 =
  31. 31.1/7 + 1/4 =
  32. 32.7/12 − 2/4 =
  33. 33.6/7 − 4/5 =
  34. 34.4/5 − 2/12 =
  35. 35.1/2 − 1/5 =
  36. 36.3/9 + 2/6 =
  37. 37.5/8 + 1/12 =
  38. 38.1/5 + 7/10 =
  39. 39.1/6 + 1/4 =
  40. 40.9/10 − 6/10 =

Answer key

  1. 7/10
  2. 1/12
  3. 5/4
  4. 19/18
  5. 51/40
  6. 23/15
  7. 21/20
  8. 6/35
  9. 13/55
  10. 1/6
  11. 19/18
  12. 17/14
  13. 17/22
  14. 1
  15. 1/4
  16. 13/14
  17. 1
  18. 13/99
  19. 5/14
  20. 11/36
  21. 31/22
  22. 61/44
  23. 13/33
  24. 3/4
  25. 1
  26. 1/2
  27. 7/10
  28. 1/14
  29. 4/15
  30. 13/10
  31. 11/28
  32. 1/12
  33. 2/35
  34. 19/30
  35. 3/10
  36. 2/3
  37. 17/24
  38. 9/10
  39. 5/12
  40. 3/10

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