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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 899 · 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. 1.9/11 + 1/6 =
  2. 2.1/7 + 1/5 =
  3. 3.1/2 − 1/6 =
  4. 4.9/11 − 1/2 =
  5. 5.1/2 − 2/7 =
  6. 6.3/9 + 2/8 =
  7. 7.2/3 + 2/5 =
  8. 8.1/8 + 1/3 =
  9. 9.4/7 + 6/12 =
  10. 10.4/7 − 4/8 =
  11. 11.3/4 + 1/2 =
  12. 12.5/8 + 2/4 =
  13. 13.7/8 − 1/12 =
  14. 14.2/7 + 3/7 =
  15. 15.2/9 + 5/8 =
  16. 16.4/8 − 2/5 =
  17. 17.3/4 − 4/11 =
  18. 18.1/3 − 2/9 =
  19. 19.2/9 + 5/11 =
  20. 20.1/2 − 1/9 =
  21. 21.9/10 − 2/3 =
  22. 22.1/4 + 2/8 =
  23. 23.1/2 + 8/12 =
  24. 24.2/3 − 3/6 =
  25. 25.1/3 + 3/4 =
  26. 26.5/6 + 1/2 =
  27. 27.4/5 − 1/4 =
  28. 28.3/4 + 7/9 =
  29. 29.1/2 + 1/11 =
  30. 30.5/7 − 4/6 =
  31. 31.9/10 − 8/10 =
  32. 32.1/3 + 1/11 =
  33. 33.4/5 − 3/5 =
  34. 34.5/9 + 6/7 =
  35. 35.7/11 − 5/10 =
  36. 36.5/12 − 1/10 =
  37. 37.1/2 + 3/5 =
  38. 38.1/2 + 3/11 =
  39. 39.6/7 + 1/4 =
  40. 40.2/3 − 2/6 =

Answer key

  1. 65/66
  2. 12/35
  3. 1/3
  4. 7/22
  5. 3/14
  6. 7/12
  7. 16/15
  8. 11/24
  9. 15/14
  10. 1/14
  11. 5/4
  12. 9/8
  13. 19/24
  14. 5/7
  15. 61/72
  16. 1/10
  17. 17/44
  18. 1/9
  19. 67/99
  20. 7/18
  21. 7/30
  22. 1/2
  23. 7/6
  24. 1/6
  25. 13/12
  26. 4/3
  27. 11/20
  28. 55/36
  29. 13/22
  30. 1/21
  31. 1/10
  32. 14/33
  33. 1/5
  34. 89/63
  35. 3/22
  36. 19/60
  37. 11/10
  38. 17/22
  39. 31/28
  40. 1/3

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