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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 464 · 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. 1.5/10 + 5/11 =
  2. 2.2/8 + 1/4 =
  3. 3.5/11 + 2/4 =
  4. 4.7/9 − 1/4 =
  5. 5.7/9 − 2/3 =
  6. 6.4/6 − 1/5 =
  7. 7.4/5 − 1/3 =
  8. 8.2/5 + 9/12 =
  9. 9.6/12 + 2/3 =
  10. 10.3/8 + 9/10 =
  11. 11.5/6 + 2/5 =
  12. 12.2/3 + 1/4 =
  13. 13.1/2 + 1/3 =
  14. 14.2/4 + 4/12 =
  15. 15.2/6 + 1/2 =
  16. 16.1/4 − 1/7 =
  17. 17.7/11 − 5/8 =
  18. 18.1/4 + 1/3 =
  19. 19.7/11 + 6/9 =
  20. 20.7/10 − 5/10 =
  21. 21.2/8 + 2/3 =
  22. 22.5/11 − 2/6 =
  23. 23.1/3 − 1/10 =
  24. 24.3/4 + 3/6 =
  25. 25.1/2 − 1/3 =
  26. 26.9/12 − 6/11 =
  27. 27.2/8 − 1/6 =
  28. 28.5/9 − 1/8 =
  29. 29.5/7 + 6/12 =
  30. 30.3/4 − 8/11 =
  31. 31.1/2 − 1/4 =
  32. 32.3/5 − 6/11 =
  33. 33.5/6 − 1/4 =
  34. 34.9/11 − 6/8 =
  35. 35.9/10 − 8/10 =
  36. 36.9/12 − 5/9 =
  37. 37.2/5 + 2/3 =
  38. 38.3/7 + 1/7 =
  39. 39.1/5 + 2/8 =
  40. 40.4/9 + 1/5 =

Answer key

  1. 21/22
  2. 1/2
  3. 21/22
  4. 19/36
  5. 1/9
  6. 7/15
  7. 7/15
  8. 23/20
  9. 7/6
  10. 51/40
  11. 37/30
  12. 11/12
  13. 5/6
  14. 5/6
  15. 5/6
  16. 3/28
  17. 1/88
  18. 7/12
  19. 43/33
  20. 1/5
  21. 11/12
  22. 4/33
  23. 7/30
  24. 5/4
  25. 1/6
  26. 9/44
  27. 1/12
  28. 31/72
  29. 17/14
  30. 1/44
  31. 1/4
  32. 3/55
  33. 7/12
  34. 3/44
  35. 1/10
  36. 7/36
  37. 16/15
  38. 4/7
  39. 9/20
  40. 29/45

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