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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 513 · 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. 1.7/8 + 1/2 =
  2. 2.5/12 + 1/6 =
  3. 3.2/6 + 4/7 =
  4. 4.4/9 + 7/8 =
  5. 5.1/2 + 10/11 =
  6. 6.3/5 + 1/2 =
  7. 7.1/3 + 1/4 =
  8. 8.9/11 − 2/3 =
  9. 9.8/12 + 1/11 =
  10. 10.6/11 − 2/7 =
  11. 11.1/8 + 5/7 =
  12. 12.7/12 − 1/3 =
  13. 13.4/6 − 4/8 =
  14. 14.1/3 − 1/4 =
  15. 15.2/5 + 9/11 =
  16. 16.5/8 + 1/2 =
  17. 17.2/9 + 2/4 =
  18. 18.1/6 + 5/7 =
  19. 19.1/2 + 3/11 =
  20. 20.7/10 − 5/10 =
  21. 21.1/4 + 1/2 =
  22. 22.1/9 + 2/5 =
  23. 23.4/5 − 3/5 =
  24. 24.1/2 − 1/5 =
  25. 25.3/7 + 2/7 =
  26. 26.2/3 − 3/12 =
  27. 27.2/3 + 4/7 =
  28. 28.1/2 − 2/8 =
  29. 29.5/10 + 6/7 =
  30. 30.1/6 + 1/2 =
  31. 31.6/8 − 5/10 =
  32. 32.1/2 − 1/4 =
  33. 33.2/4 + 6/9 =
  34. 34.6/7 + 10/11 =
  35. 35.5/8 + 1/2 =
  36. 36.8/9 − 2/3 =
  37. 37.2/6 + 2/4 =
  38. 38.2/11 + 3/6 =
  39. 39.1/3 + 2/8 =
  40. 40.1/2 − 1/5 =

Answer key

  1. 11/8
  2. 7/12
  3. 19/21
  4. 95/72
  5. 31/22
  6. 11/10
  7. 7/12
  8. 5/33
  9. 25/33
  10. 20/77
  11. 47/56
  12. 1/4
  13. 1/6
  14. 1/12
  15. 67/55
  16. 9/8
  17. 13/18
  18. 37/42
  19. 17/22
  20. 1/5
  21. 3/4
  22. 23/45
  23. 1/5
  24. 3/10
  25. 5/7
  26. 5/12
  27. 26/21
  28. 1/4
  29. 19/14
  30. 2/3
  31. 1/4
  32. 1/4
  33. 7/6
  34. 136/77
  35. 9/8
  36. 2/9
  37. 5/6
  38. 15/22
  39. 7/12
  40. 3/10

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