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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 361 · 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. 1.11/12 − 3/5 =
  2. 2.5/7 − 1/2 =
  3. 3.3/4 + 2/3 =
  4. 4.1/2 + 5/12 =
  5. 5.6/9 + 3/4 =
  6. 6.1/2 + 1/2 =
  7. 7.1/2 + 1/5 =
  8. 8.2/4 + 4/5 =
  9. 9.4/7 + 3/10 =
  10. 10.5/8 − 1/2 =
  11. 11.1/3 + 1/3 =
  12. 12.3/8 + 2/9 =
  13. 13.1/3 + 10/11 =
  14. 14.11/12 + 2/4 =
  15. 15.3/4 + 1/2 =
  16. 16.5/6 + 6/12 =
  17. 17.3/4 + 1/4 =
  18. 18.2/7 + 1/2 =
  19. 19.4/7 − 3/11 =
  20. 20.5/10 + 3/11 =
  21. 21.5/9 + 1/5 =
  22. 22.2/8 + 4/12 =
  23. 23.1/4 + 4/5 =
  24. 24.3/6 + 1/11 =
  25. 25.5/8 + 9/12 =
  26. 26.3/6 − 2/5 =
  27. 27.4/11 − 1/10 =
  28. 28.1/2 + 1/2 =
  29. 29.8/12 − 4/8 =
  30. 30.7/9 + 2/8 =
  31. 31.11/12 − 1/2 =
  32. 32.6/10 − 1/2 =
  33. 33.1/3 + 3/5 =
  34. 34.3/4 − 2/5 =
  35. 35.1/4 − 1/8 =
  36. 36.1/2 + 1/2 =
  37. 37.1/10 + 4/5 =
  38. 38.5/10 + 3/10 =
  39. 39.2/5 + 7/11 =
  40. 40.3/9 − 3/12 =

Answer key

  1. 19/60
  2. 3/14
  3. 17/12
  4. 11/12
  5. 17/12
  6. 1
  7. 7/10
  8. 13/10
  9. 61/70
  10. 1/8
  11. 2/3
  12. 43/72
  13. 41/33
  14. 17/12
  15. 5/4
  16. 4/3
  17. 1
  18. 11/14
  19. 23/77
  20. 17/22
  21. 34/45
  22. 7/12
  23. 21/20
  24. 13/22
  25. 11/8
  26. 1/10
  27. 29/110
  28. 1
  29. 1/6
  30. 37/36
  31. 5/12
  32. 1/10
  33. 14/15
  34. 7/20
  35. 1/8
  36. 1
  37. 9/10
  38. 4/5
  39. 57/55
  40. 1/12

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