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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 475 · 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. 1.5/8 + 1/6 =
  2. 2.2/7 + 5/9 =
  3. 3.2/6 + 1/3 =
  4. 4.5/10 + 2/7 =
  5. 5.5/9 + 1/6 =
  6. 6.2/6 + 8/10 =
  7. 7.1/6 + 3/5 =
  8. 8.4/5 + 1/10 =
  9. 9.6/8 + 2/7 =
  10. 10.3/4 + 10/11 =
  11. 11.7/9 − 2/11 =
  12. 12.7/11 + 2/4 =
  13. 13.4/5 + 10/11 =
  14. 14.8/11 + 8/9 =
  15. 15.2/7 + 6/7 =
  16. 16.4/9 + 1/2 =
  17. 17.4/12 + 5/6 =
  18. 18.2/11 + 1/3 =
  19. 19.5/8 + 2/3 =
  20. 20.9/10 − 1/5 =
  21. 21.2/4 + 1/3 =
  22. 22.6/12 + 1/3 =
  23. 23.7/8 + 2/12 =
  24. 24.2/4 + 4/8 =
  25. 25.5/8 + 5/9 =
  26. 26.6/7 + 3/8 =
  27. 27.1/3 − 2/11 =
  28. 28.2/4 + 4/5 =
  29. 29.3/5 − 6/11 =
  30. 30.2/5 + 8/9 =
  31. 31.1/3 − 1/7 =
  32. 32.4/6 − 1/2 =
  33. 33.2/10 + 2/3 =
  34. 34.10/12 + 4/7 =
  35. 35.2/5 − 1/5 =
  36. 36.1/2 + 1/4 =
  37. 37.1/8 + 1/8 =
  38. 38.8/12 + 3/5 =
  39. 39.7/9 + 9/11 =
  40. 40.3/4 − 4/9 =

Answer key

  1. 19/24
  2. 53/63
  3. 2/3
  4. 11/14
  5. 13/18
  6. 17/15
  7. 23/30
  8. 9/10
  9. 29/28
  10. 73/44
  11. 59/99
  12. 25/22
  13. 94/55
  14. 160/99
  15. 8/7
  16. 17/18
  17. 7/6
  18. 17/33
  19. 31/24
  20. 7/10
  21. 5/6
  22. 5/6
  23. 25/24
  24. 1
  25. 85/72
  26. 69/56
  27. 5/33
  28. 13/10
  29. 3/55
  30. 58/45
  31. 4/21
  32. 1/6
  33. 13/15
  34. 59/42
  35. 1/5
  36. 3/4
  37. 1/4
  38. 19/15
  39. 158/99
  40. 11/36

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