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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 800 · 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. 1.2/5 + 3/12 =
  2. 2.3/5 − 1/4 =
  3. 3.1/6 + 1/8 =
  4. 4.4/10 + 1/2 =
  5. 5.1/6 − 1/10 =
  6. 6.7/9 + 1/5 =
  7. 7.1/3 + 1/2 =
  8. 8.1/2 + 2/3 =
  9. 9.1/2 + 6/10 =
  10. 10.1/3 + 2/5 =
  11. 11.5/8 − 2/4 =
  12. 12.7/8 − 1/8 =
  13. 13.7/8 + 5/10 =
  14. 14.2/3 + 2/5 =
  15. 15.2/4 + 1/8 =
  16. 16.2/6 + 4/9 =
  17. 17.1/2 + 6/8 =
  18. 18.1/2 − 1/3 =
  19. 19.3/8 − 2/6 =
  20. 20.1/2 + 2/4 =
  21. 21.1/11 + 1/2 =
  22. 22.2/8 + 4/7 =
  23. 23.9/12 + 8/12 =
  24. 24.4/6 + 1/7 =
  25. 25.4/8 − 3/11 =
  26. 26.10/11 + 5/9 =
  27. 27.2/3 − 1/2 =
  28. 28.2/3 + 1/2 =
  29. 29.10/12 + 2/4 =
  30. 30.1/3 − 1/7 =
  31. 31.1/3 − 1/7 =
  32. 32.3/4 − 6/10 =
  33. 33.6/11 − 1/2 =
  34. 34.5/11 − 1/6 =
  35. 35.1/4 − 1/9 =
  36. 36.2/3 + 1/8 =
  37. 37.9/12 + 1/3 =
  38. 38.3/11 + 5/6 =
  39. 39.3/8 + 3/7 =
  40. 40.3/4 + 2/8 =

Answer key

  1. 13/20
  2. 7/20
  3. 7/24
  4. 9/10
  5. 1/15
  6. 44/45
  7. 5/6
  8. 7/6
  9. 11/10
  10. 11/15
  11. 1/8
  12. 3/4
  13. 11/8
  14. 16/15
  15. 5/8
  16. 7/9
  17. 5/4
  18. 1/6
  19. 1/24
  20. 1
  21. 13/22
  22. 23/28
  23. 17/12
  24. 17/21
  25. 5/22
  26. 145/99
  27. 1/6
  28. 7/6
  29. 4/3
  30. 4/21
  31. 4/21
  32. 3/20
  33. 1/22
  34. 19/66
  35. 5/36
  36. 19/24
  37. 13/12
  38. 73/66
  39. 45/56
  40. 1

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