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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 623 · 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. 1.6/10 + 5/10 =
  2. 2.1/2 + 1/4 =
  3. 3.2/6 + 1/3 =
  4. 4.1/9 + 4/5 =
  5. 5.4/6 − 5/8 =
  6. 6.1/2 − 1/5 =
  7. 7.4/12 + 1/10 =
  8. 8.7/10 − 1/3 =
  9. 9.2/3 − 4/11 =
  10. 10.9/11 + 1/6 =
  11. 11.4/7 + 3/6 =
  12. 12.1/5 + 1/12 =
  13. 13.3/8 + 8/10 =
  14. 14.6/7 − 2/4 =
  15. 15.2/3 + 2/12 =
  16. 16.1/2 + 1/2 =
  17. 17.1/3 − 3/11 =
  18. 18.1/4 + 1/3 =
  19. 19.2/5 − 1/3 =
  20. 20.11/12 − 1/2 =
  21. 21.4/7 − 2/8 =
  22. 22.3/4 − 1/2 =
  23. 23.5/11 + 1/8 =
  24. 24.6/9 − 3/10 =
  25. 25.2/9 + 2/4 =
  26. 26.5/8 − 1/4 =
  27. 27.8/11 + 2/11 =
  28. 28.6/7 − 7/12 =
  29. 29.2/7 + 4/5 =
  30. 30.4/7 + 5/12 =
  31. 31.1/8 + 1/3 =
  32. 32.2/3 + 2/9 =
  33. 33.7/8 + 4/12 =
  34. 34.5/9 + 3/11 =
  35. 35.4/8 + 6/7 =
  36. 36.4/6 + 2/3 =
  37. 37.2/10 + 2/4 =
  38. 38.3/6 − 1/7 =
  39. 39.2/3 − 1/3 =
  40. 40.2/9 + 1/2 =

Answer key

  1. 11/10
  2. 3/4
  3. 2/3
  4. 41/45
  5. 1/24
  6. 3/10
  7. 13/30
  8. 11/30
  9. 10/33
  10. 65/66
  11. 15/14
  12. 17/60
  13. 47/40
  14. 5/14
  15. 5/6
  16. 1
  17. 2/33
  18. 7/12
  19. 1/15
  20. 5/12
  21. 9/28
  22. 1/4
  23. 51/88
  24. 11/30
  25. 13/18
  26. 3/8
  27. 10/11
  28. 23/84
  29. 38/35
  30. 83/84
  31. 11/24
  32. 8/9
  33. 29/24
  34. 82/99
  35. 19/14
  36. 4/3
  37. 7/10
  38. 5/14
  39. 1/3
  40. 13/18

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