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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 726 · 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. 1.1/2 + 3/4 =
  2. 2.1/2 + 2/4 =
  3. 3.1/2 + 7/12 =
  4. 4.4/5 + 1/2 =
  5. 5.1/4 − 1/6 =
  6. 6.2/3 − 4/9 =
  7. 7.10/12 + 2/5 =
  8. 8.2/3 + 2/5 =
  9. 9.3/6 − 1/4 =
  10. 10.8/9 + 3/7 =
  11. 11.2/3 − 2/8 =
  12. 12.2/7 − 1/5 =
  13. 13.4/6 − 1/5 =
  14. 14.6/9 − 1/2 =
  15. 15.1/2 − 1/9 =
  16. 16.1/2 + 4/11 =
  17. 17.3/4 + 1/2 =
  18. 18.1/9 + 3/7 =
  19. 19.6/12 + 1/2 =
  20. 20.3/5 − 1/9 =
  21. 21.1/5 + 1/3 =
  22. 22.4/9 + 5/6 =
  23. 23.4/6 − 3/5 =
  24. 24.3/4 − 1/10 =
  25. 25.6/7 + 1/2 =
  26. 26.2/4 + 1/2 =
  27. 27.9/11 − 1/2 =
  28. 28.2/4 + 3/6 =
  29. 29.3/6 − 1/4 =
  30. 30.1/9 + 5/12 =
  31. 31.4/6 + 1/3 =
  32. 32.1/3 + 1/6 =
  33. 33.1/7 + 2/5 =
  34. 34.1/3 − 2/8 =
  35. 35.1/3 − 1/8 =
  36. 36.2/5 + 3/4 =
  37. 37.4/8 + 1/3 =
  38. 38.3/8 + 2/4 =
  39. 39.3/8 + 4/12 =
  40. 40.4/8 + 3/10 =

Answer key

  1. 5/4
  2. 1
  3. 13/12
  4. 13/10
  5. 1/12
  6. 2/9
  7. 37/30
  8. 16/15
  9. 1/4
  10. 83/63
  11. 5/12
  12. 3/35
  13. 7/15
  14. 1/6
  15. 7/18
  16. 19/22
  17. 5/4
  18. 34/63
  19. 1
  20. 22/45
  21. 8/15
  22. 23/18
  23. 1/15
  24. 13/20
  25. 19/14
  26. 1
  27. 7/22
  28. 1
  29. 1/4
  30. 19/36
  31. 1
  32. 1/2
  33. 19/35
  34. 1/12
  35. 5/24
  36. 23/20
  37. 5/6
  38. 7/8
  39. 17/24
  40. 4/5

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