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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 303 · 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. 1.2/6 + 4/10 =
  2. 2.5/6 + 1/3 =
  3. 3.1/9 + 3/10 =
  4. 4.10/11 − 1/2 =
  5. 5.4/5 + 5/7 =
  6. 6.6/7 − 4/11 =
  7. 7.1/12 + 3/4 =
  8. 8.2/10 + 1/3 =
  9. 9.6/7 + 2/10 =
  10. 10.1/9 + 2/4 =
  11. 11.3/4 − 2/7 =
  12. 12.1/3 − 2/7 =
  13. 13.5/9 + 1/2 =
  14. 14.2/6 + 6/9 =
  15. 15.3/5 − 2/6 =
  16. 16.3/10 + 2/3 =
  17. 17.3/6 − 3/7 =
  18. 18.2/6 + 2/3 =
  19. 19.1/2 − 2/6 =
  20. 20.9/12 + 1/3 =
  21. 21.11/12 − 2/10 =
  22. 22.3/4 − 4/10 =
  23. 23.6/10 − 6/11 =
  24. 24.1/2 + 3/11 =
  25. 25.2/3 + 5/7 =
  26. 26.2/4 + 7/10 =
  27. 27.4/8 + 1/7 =
  28. 28.3/5 + 5/7 =
  29. 29.3/5 − 6/12 =
  30. 30.3/6 − 1/3 =
  31. 31.6/12 + 1/4 =
  32. 32.1/3 + 11/12 =
  33. 33.1/2 − 2/8 =
  34. 34.2/7 − 1/7 =
  35. 35.3/4 − 2/9 =
  36. 36.1/8 + 6/11 =
  37. 37.1/8 + 1/12 =
  38. 38.1/2 − 2/5 =
  39. 39.1/2 + 1/3 =
  40. 40.6/7 + 4/5 =

Answer key

  1. 11/15
  2. 7/6
  3. 37/90
  4. 9/22
  5. 53/35
  6. 38/77
  7. 5/6
  8. 8/15
  9. 37/35
  10. 11/18
  11. 13/28
  12. 1/21
  13. 19/18
  14. 1
  15. 4/15
  16. 29/30
  17. 1/14
  18. 1
  19. 1/6
  20. 13/12
  21. 43/60
  22. 7/20
  23. 3/55
  24. 17/22
  25. 29/21
  26. 6/5
  27. 9/14
  28. 46/35
  29. 1/10
  30. 1/6
  31. 3/4
  32. 5/4
  33. 1/4
  34. 1/7
  35. 19/36
  36. 59/88
  37. 5/24
  38. 1/10
  39. 5/6
  40. 58/35

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