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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 136 · 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. 1.6/11 − 1/2 =
  2. 2.1/11 + 1/2 =
  3. 3.8/11 + 1/2 =
  4. 4.1/2 − 1/10 =
  5. 5.3/4 + 2/3 =
  6. 6.2/7 + 1/2 =
  7. 7.1/2 − 4/11 =
  8. 8.8/10 − 1/4 =
  9. 9.4/5 − 5/10 =
  10. 10.5/6 − 2/7 =
  11. 11.3/4 − 2/3 =
  12. 12.7/8 − 5/6 =
  13. 13.5/7 + 2/9 =
  14. 14.5/9 − 2/10 =
  15. 15.1/4 − 1/12 =
  16. 16.5/7 − 3/5 =
  17. 17.1/4 + 7/9 =
  18. 18.1/4 + 6/12 =
  19. 19.3/6 − 3/11 =
  20. 20.2/3 + 6/12 =
  21. 21.4/5 − 2/11 =
  22. 22.3/12 + 2/4 =
  23. 23.1/5 − 1/8 =
  24. 24.3/5 − 1/2 =
  25. 25.1/12 + 7/8 =
  26. 26.5/9 − 3/8 =
  27. 27.1/2 + 4/5 =
  28. 28.3/9 + 7/10 =
  29. 29.2/6 + 5/7 =
  30. 30.3/5 + 1/2 =
  31. 31.5/7 + 5/6 =
  32. 32.3/5 + 7/8 =
  33. 33.1/2 − 3/12 =
  34. 34.4/7 + 1/12 =
  35. 35.6/10 − 1/2 =
  36. 36.1/4 + 1/3 =
  37. 37.3/10 − 1/9 =
  38. 38.1/2 + 9/11 =
  39. 39.1/5 + 1/5 =
  40. 40.1/10 + 2/5 =

Answer key

  1. 1/22
  2. 13/22
  3. 27/22
  4. 2/5
  5. 17/12
  6. 11/14
  7. 3/22
  8. 11/20
  9. 3/10
  10. 23/42
  11. 1/12
  12. 1/24
  13. 59/63
  14. 16/45
  15. 1/6
  16. 4/35
  17. 37/36
  18. 3/4
  19. 5/22
  20. 7/6
  21. 34/55
  22. 3/4
  23. 3/40
  24. 1/10
  25. 23/24
  26. 13/72
  27. 13/10
  28. 31/30
  29. 22/21
  30. 11/10
  31. 65/42
  32. 59/40
  33. 1/4
  34. 55/84
  35. 1/10
  36. 7/12
  37. 17/90
  38. 29/22
  39. 2/5
  40. 1/2

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