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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 973 · 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. 1.5/6 + 2/10 =
  2. 2.8/10 − 5/7 =
  3. 3.4/5 + 9/12 =
  4. 4.7/8 − 1/2 =
  5. 5.3/5 − 5/10 =
  6. 6.1/3 − 1/10 =
  7. 7.2/3 + 1/2 =
  8. 8.2/6 − 1/5 =
  9. 9.2/3 − 3/8 =
  10. 10.4/7 + 7/10 =
  11. 11.3/4 − 6/12 =
  12. 12.6/8 + 8/10 =
  13. 13.2/3 − 4/9 =
  14. 14.2/8 + 2/11 =
  15. 15.2/4 + 1/3 =
  16. 16.1/9 + 4/6 =
  17. 17.2/9 + 2/9 =
  18. 18.6/7 + 3/9 =
  19. 19.4/12 − 1/4 =
  20. 20.1/8 + 2/4 =
  21. 21.9/11 − 2/5 =
  22. 22.6/9 − 2/11 =
  23. 23.2/5 − 1/4 =
  24. 24.3/6 + 1/3 =
  25. 25.2/6 + 1/7 =
  26. 26.2/12 + 6/7 =
  27. 27.7/8 + 3/5 =
  28. 28.6/12 + 7/11 =
  29. 29.1/12 + 6/9 =
  30. 30.1/2 + 1/6 =
  31. 31.1/2 − 3/7 =
  32. 32.3/8 − 4/12 =
  33. 33.2/11 + 6/7 =
  34. 34.6/10 + 4/7 =
  35. 35.6/11 + 2/8 =
  36. 36.5/6 + 6/11 =
  37. 37.1/2 − 1/4 =
  38. 38.1/2 − 1/3 =
  39. 39.1/3 + 2/7 =
  40. 40.4/8 + 6/10 =

Answer key

  1. 31/30
  2. 3/35
  3. 31/20
  4. 3/8
  5. 1/10
  6. 7/30
  7. 7/6
  8. 2/15
  9. 7/24
  10. 89/70
  11. 1/4
  12. 31/20
  13. 2/9
  14. 19/44
  15. 5/6
  16. 7/9
  17. 4/9
  18. 25/21
  19. 1/12
  20. 5/8
  21. 23/55
  22. 16/33
  23. 3/20
  24. 5/6
  25. 10/21
  26. 43/42
  27. 59/40
  28. 25/22
  29. 3/4
  30. 2/3
  31. 1/14
  32. 1/24
  33. 80/77
  34. 41/35
  35. 35/44
  36. 91/66
  37. 1/4
  38. 1/6
  39. 13/21
  40. 11/10

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