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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 396 · 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. 1.4/12 + 1/2 =
  2. 2.9/12 − 5/11 =
  3. 3.4/5 − 2/6 =
  4. 4.5/9 − 1/4 =
  5. 5.4/5 − 3/10 =
  6. 6.6/10 − 1/6 =
  7. 7.3/5 − 3/10 =
  8. 8.1/2 + 2/5 =
  9. 9.4/12 + 5/7 =
  10. 10.5/7 + 2/3 =
  11. 11.2/5 + 1/9 =
  12. 12.7/9 − 4/9 =
  13. 13.7/8 + 6/9 =
  14. 14.5/9 − 2/4 =
  15. 15.1/8 + 7/12 =
  16. 16.9/11 + 2/12 =
  17. 17.1/2 + 1/4 =
  18. 18.1/5 + 1/3 =
  19. 19.8/10 + 1/6 =
  20. 20.1/5 + 1/3 =
  21. 21.3/8 + 1/2 =
  22. 22.5/7 + 1/4 =
  23. 23.5/7 − 6/11 =
  24. 24.2/3 − 1/2 =
  25. 25.8/12 + 4/6 =
  26. 26.1/2 − 2/9 =
  27. 27.1/5 + 4/12 =
  28. 28.1/10 + 7/8 =
  29. 29.1/2 − 2/5 =
  30. 30.3/9 + 8/11 =
  31. 31.10/12 + 3/4 =
  32. 32.1/2 + 1/2 =
  33. 33.4/5 + 7/9 =
  34. 34.1/8 + 2/10 =
  35. 35.8/11 + 3/4 =
  36. 36.2/7 + 6/8 =
  37. 37.1/2 + 1/2 =
  38. 38.2/4 + 1/2 =
  39. 39.4/5 + 1/11 =
  40. 40.1/4 + 3/8 =

Answer key

  1. 5/6
  2. 13/44
  3. 7/15
  4. 11/36
  5. 1/2
  6. 13/30
  7. 3/10
  8. 9/10
  9. 22/21
  10. 29/21
  11. 23/45
  12. 1/3
  13. 37/24
  14. 1/18
  15. 17/24
  16. 65/66
  17. 3/4
  18. 8/15
  19. 29/30
  20. 8/15
  21. 7/8
  22. 27/28
  23. 13/77
  24. 1/6
  25. 4/3
  26. 5/18
  27. 8/15
  28. 39/40
  29. 1/10
  30. 35/33
  31. 19/12
  32. 1
  33. 71/45
  34. 13/40
  35. 65/44
  36. 29/28
  37. 1
  38. 1
  39. 49/55
  40. 5/8

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