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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 211 · 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. 1.1/5 + 2/7 =
  2. 2.2/6 − 1/6 =
  3. 3.9/12 + 4/6 =
  4. 4.1/2 − 3/7 =
  5. 5.1/7 + 1/2 =
  6. 6.2/8 + 2/6 =
  7. 7.6/10 + 1/3 =
  8. 8.1/6 + 9/11 =
  9. 9.9/12 + 7/8 =
  10. 10.2/10 + 4/7 =
  11. 11.1/2 + 8/12 =
  12. 12.4/8 − 1/4 =
  13. 13.11/12 + 2/4 =
  14. 14.5/6 + 5/10 =
  15. 15.4/8 + 1/2 =
  16. 16.3/4 + 7/9 =
  17. 17.5/7 − 3/6 =
  18. 18.2/4 − 3/10 =
  19. 19.5/7 + 7/10 =
  20. 20.2/4 − 3/8 =
  21. 21.4/5 − 3/6 =
  22. 22.6/11 + 1/4 =
  23. 23.2/3 + 2/10 =
  24. 24.6/7 − 1/2 =
  25. 25.3/5 − 1/4 =
  26. 26.1/2 − 5/12 =
  27. 27.3/9 + 1/8 =
  28. 28.7/10 + 1/7 =
  29. 29.1/4 + 7/10 =
  30. 30.1/12 + 11/12 =
  31. 31.2/9 + 3/12 =
  32. 32.2/4 + 8/10 =
  33. 33.1/4 + 2/8 =
  34. 34.2/11 + 1/5 =
  35. 35.6/8 − 4/6 =
  36. 36.1/6 + 10/12 =
  37. 37.5/9 − 1/3 =
  38. 38.8/9 + 1/2 =
  39. 39.1/4 + 2/3 =
  40. 40.1/3 + 2/3 =

Answer key

  1. 17/35
  2. 1/6
  3. 17/12
  4. 1/14
  5. 9/14
  6. 7/12
  7. 14/15
  8. 65/66
  9. 13/8
  10. 27/35
  11. 7/6
  12. 1/4
  13. 17/12
  14. 4/3
  15. 1
  16. 55/36
  17. 3/14
  18. 1/5
  19. 99/70
  20. 1/8
  21. 3/10
  22. 35/44
  23. 13/15
  24. 5/14
  25. 7/20
  26. 1/12
  27. 11/24
  28. 59/70
  29. 19/20
  30. 1
  31. 17/36
  32. 13/10
  33. 1/2
  34. 21/55
  35. 1/12
  36. 1
  37. 2/9
  38. 25/18
  39. 11/12
  40. 1

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