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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 979 · 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. 1.6/7 + 3/7 =
  2. 2.4/5 + 2/9 =
  3. 3.11/12 − 1/5 =
  4. 4.4/8 − 2/6 =
  5. 5.9/11 + 2/8 =
  6. 6.1/2 + 6/8 =
  7. 7.7/8 − 8/11 =
  8. 8.10/12 + 9/10 =
  9. 9.1/4 − 1/8 =
  10. 10.1/2 + 1/6 =
  11. 11.2/4 + 2/4 =
  12. 12.5/8 + 1/4 =
  13. 13.7/9 + 2/11 =
  14. 14.8/10 + 2/9 =
  15. 15.2/3 − 6/12 =
  16. 16.6/7 − 2/7 =
  17. 17.7/12 + 1/2 =
  18. 18.2/5 + 2/3 =
  19. 19.1/2 + 3/11 =
  20. 20.6/11 + 2/3 =
  21. 21.3/6 + 5/11 =
  22. 22.4/6 − 4/8 =
  23. 23.5/7 + 2/4 =
  24. 24.5/9 − 1/3 =
  25. 25.1/2 + 5/7 =
  26. 26.1/8 + 2/6 =
  27. 27.2/7 + 3/6 =
  28. 28.1/4 + 1/4 =
  29. 29.1/3 + 1/2 =
  30. 30.2/5 + 3/4 =
  31. 31.1/2 + 2/4 =
  32. 32.4/5 − 1/2 =
  33. 33.3/8 + 6/11 =
  34. 34.2/6 + 5/6 =
  35. 35.5/7 + 1/3 =
  36. 36.4/12 + 1/2 =
  37. 37.8/10 + 3/4 =
  38. 38.4/11 + 3/8 =
  39. 39.1/6 + 3/4 =
  40. 40.3/4 + 2/5 =

Answer key

  1. 9/7
  2. 46/45
  3. 43/60
  4. 1/6
  5. 47/44
  6. 5/4
  7. 13/88
  8. 26/15
  9. 1/8
  10. 2/3
  11. 1
  12. 7/8
  13. 95/99
  14. 46/45
  15. 1/6
  16. 4/7
  17. 13/12
  18. 16/15
  19. 17/22
  20. 40/33
  21. 21/22
  22. 1/6
  23. 17/14
  24. 2/9
  25. 17/14
  26. 11/24
  27. 11/14
  28. 1/2
  29. 5/6
  30. 23/20
  31. 1
  32. 3/10
  33. 81/88
  34. 7/6
  35. 22/21
  36. 5/6
  37. 31/20
  38. 65/88
  39. 11/12
  40. 23/20

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