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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 179 · 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. 1.6/8 + 1/2 =
  2. 2.4/9 + 4/5 =
  3. 3.4/8 + 4/5 =
  4. 4.1/4 + 2/8 =
  5. 5.2/5 + 1/10 =
  6. 6.6/8 − 1/2 =
  7. 7.1/2 − 2/9 =
  8. 8.3/5 − 2/4 =
  9. 9.1/2 + 5/8 =
  10. 10.8/9 − 3/5 =
  11. 11.3/4 − 1/2 =
  12. 12.10/11 − 6/9 =
  13. 13.7/12 − 1/2 =
  14. 14.3/5 + 1/3 =
  15. 15.2/3 − 1/3 =
  16. 16.5/8 − 3/6 =
  17. 17.9/10 − 3/7 =
  18. 18.1/6 + 5/8 =
  19. 19.5/8 − 1/5 =
  20. 20.2/10 + 7/8 =
  21. 21.5/9 + 7/8 =
  22. 22.1/9 + 1/2 =
  23. 23.1/2 − 3/8 =
  24. 24.1/5 + 1/6 =
  25. 25.2/3 − 1/2 =
  26. 26.5/6 + 2/3 =
  27. 27.3/5 − 1/2 =
  28. 28.2/12 + 1/5 =
  29. 29.1/7 + 4/9 =
  30. 30.8/9 − 1/6 =
  31. 31.7/8 − 3/4 =
  32. 32.3/6 − 2/6 =
  33. 33.6/10 + 2/4 =
  34. 34.5/12 + 2/12 =
  35. 35.3/9 + 5/7 =
  36. 36.3/10 + 1/2 =
  37. 37.1/4 + 2/4 =
  38. 38.3/4 + 1/2 =
  39. 39.1/4 + 1/4 =
  40. 40.1/4 + 2/3 =

Answer key

  1. 5/4
  2. 56/45
  3. 13/10
  4. 1/2
  5. 1/2
  6. 1/4
  7. 5/18
  8. 1/10
  9. 9/8
  10. 13/45
  11. 1/4
  12. 8/33
  13. 1/12
  14. 14/15
  15. 1/3
  16. 1/8
  17. 33/70
  18. 19/24
  19. 17/40
  20. 43/40
  21. 103/72
  22. 11/18
  23. 1/8
  24. 11/30
  25. 1/6
  26. 3/2
  27. 1/10
  28. 11/30
  29. 37/63
  30. 13/18
  31. 1/8
  32. 1/6
  33. 11/10
  34. 7/12
  35. 22/21
  36. 4/5
  37. 3/4
  38. 5/4
  39. 1/2
  40. 11/12

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