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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 436 · 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. 1.1/12 + 1/9 =
  2. 2.9/10 − 2/5 =
  3. 3.1/3 + 6/9 =
  4. 4.2/9 + 2/3 =
  5. 5.6/7 − 1/9 =
  6. 6.4/5 − 1/3 =
  7. 7.2/4 + 3/8 =
  8. 8.3/4 − 1/10 =
  9. 9.5/6 − 5/7 =
  10. 10.1/3 + 1/3 =
  11. 11.5/7 + 1/4 =
  12. 12.1/11 + 1/3 =
  13. 13.5/6 − 2/5 =
  14. 14.4/5 − 4/7 =
  15. 15.6/11 + 2/10 =
  16. 16.3/5 − 4/12 =
  17. 17.2/3 − 1/3 =
  18. 18.5/9 − 2/8 =
  19. 19.1/12 + 3/11 =
  20. 20.2/7 + 2/3 =
  21. 21.11/12 − 1/2 =
  22. 22.2/5 + 6/10 =
  23. 23.3/4 − 1/3 =
  24. 24.1/3 + 3/9 =
  25. 25.2/8 + 4/7 =
  26. 26.4/9 + 9/11 =
  27. 27.6/10 + 5/8 =
  28. 28.7/8 + 2/10 =
  29. 29.1/2 + 1/3 =
  30. 30.1/5 − 1/7 =
  31. 31.4/8 + 5/9 =
  32. 32.1/4 + 1/5 =
  33. 33.1/4 + 5/9 =
  34. 34.1/2 + 1/5 =
  35. 35.9/12 − 4/8 =
  36. 36.3/10 + 2/5 =
  37. 37.1/2 + 1/10 =
  38. 38.1/3 + 5/11 =
  39. 39.1/5 + 2/3 =
  40. 40.1/2 + 4/5 =

Answer key

  1. 7/36
  2. 1/2
  3. 1
  4. 8/9
  5. 47/63
  6. 7/15
  7. 7/8
  8. 13/20
  9. 5/42
  10. 2/3
  11. 27/28
  12. 14/33
  13. 13/30
  14. 8/35
  15. 41/55
  16. 4/15
  17. 1/3
  18. 11/36
  19. 47/132
  20. 20/21
  21. 5/12
  22. 1
  23. 5/12
  24. 2/3
  25. 23/28
  26. 125/99
  27. 49/40
  28. 43/40
  29. 5/6
  30. 2/35
  31. 19/18
  32. 9/20
  33. 29/36
  34. 7/10
  35. 1/4
  36. 7/10
  37. 3/5
  38. 26/33
  39. 13/15
  40. 13/10

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