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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 76 · 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. 1.2/3 − 1/4 =
  2. 2.4/5 + 5/11 =
  3. 3.2/7 + 3/8 =
  4. 4.5/11 + 4/6 =
  5. 5.1/5 + 3/5 =
  6. 6.1/4 + 6/7 =
  7. 7.1/4 + 1/3 =
  8. 8.3/6 + 5/12 =
  9. 9.8/10 + 8/9 =
  10. 10.3/10 + 4/10 =
  11. 11.1/7 + 2/4 =
  12. 12.10/11 + 2/9 =
  13. 13.4/5 − 2/4 =
  14. 14.1/4 + 1/3 =
  15. 15.10/11 + 2/12 =
  16. 16.7/8 − 3/4 =
  17. 17.3/7 + 3/4 =
  18. 18.8/11 + 1/2 =
  19. 19.5/8 − 4/7 =
  20. 20.4/8 + 4/10 =
  21. 21.10/11 + 1/3 =
  22. 22.10/12 − 7/10 =
  23. 23.6/9 + 3/5 =
  24. 24.3/4 − 3/6 =
  25. 25.6/7 + 1/6 =
  26. 26.3/4 + 1/4 =
  27. 27.2/6 − 2/12 =
  28. 28.8/10 + 6/12 =
  29. 29.1/2 + 1/2 =
  30. 30.3/7 − 1/7 =
  31. 31.6/8 − 3/11 =
  32. 32.1/12 + 1/6 =
  33. 33.2/8 − 1/5 =
  34. 34.5/8 + 3/9 =
  35. 35.2/5 + 1/4 =
  36. 36.2/3 + 1/3 =
  37. 37.7/8 − 5/8 =
  38. 38.2/9 + 1/2 =
  39. 39.1/2 − 3/11 =
  40. 40.2/4 + 1/3 =

Answer key

  1. 5/12
  2. 69/55
  3. 37/56
  4. 37/33
  5. 4/5
  6. 31/28
  7. 7/12
  8. 11/12
  9. 76/45
  10. 7/10
  11. 9/14
  12. 112/99
  13. 3/10
  14. 7/12
  15. 71/66
  16. 1/8
  17. 33/28
  18. 27/22
  19. 3/56
  20. 9/10
  21. 41/33
  22. 2/15
  23. 19/15
  24. 1/4
  25. 43/42
  26. 1
  27. 1/6
  28. 13/10
  29. 1
  30. 2/7
  31. 21/44
  32. 1/4
  33. 1/20
  34. 23/24
  35. 13/20
  36. 1
  37. 1/4
  38. 13/18
  39. 5/22
  40. 5/6

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