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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 955 · 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. 1.5/7 + 8/10 =
  2. 2.2/4 + 3/4 =
  3. 3.11/12 + 8/11 =
  4. 4.4/7 + 2/11 =
  5. 5.1/2 + 2/3 =
  6. 6.5/8 + 2/5 =
  7. 7.8/12 + 2/8 =
  8. 8.2/6 − 1/5 =
  9. 9.1/4 + 3/6 =
  10. 10.9/10 − 3/7 =
  11. 11.1/2 − 2/8 =
  12. 12.2/3 + 1/3 =
  13. 13.8/12 − 4/8 =
  14. 14.1/4 + 2/7 =
  15. 15.5/7 + 1/2 =
  16. 16.6/9 + 2/7 =
  17. 17.5/6 + 1/5 =
  18. 18.1/2 + 2/5 =
  19. 19.2/6 + 4/7 =
  20. 20.2/3 + 1/4 =
  21. 21.1/4 + 3/5 =
  22. 22.8/12 + 3/7 =
  23. 23.1/2 − 2/10 =
  24. 24.6/8 + 8/9 =
  25. 25.3/4 − 1/2 =
  26. 26.1/3 + 3/10 =
  27. 27.8/11 − 1/2 =
  28. 28.4/6 + 1/3 =
  29. 29.10/12 + 1/6 =
  30. 30.2/7 + 1/2 =
  31. 31.7/8 + 3/9 =
  32. 32.4/10 + 1/7 =
  33. 33.1/4 + 1/2 =
  34. 34.2/6 + 1/3 =
  35. 35.2/7 + 3/4 =
  36. 36.6/10 + 7/12 =
  37. 37.1/3 + 4/6 =
  38. 38.1/8 + 1/5 =
  39. 39.9/11 − 4/5 =
  40. 40.3/4 + 4/10 =

Answer key

  1. 53/35
  2. 5/4
  3. 217/132
  4. 58/77
  5. 7/6
  6. 41/40
  7. 11/12
  8. 2/15
  9. 3/4
  10. 33/70
  11. 1/4
  12. 1
  13. 1/6
  14. 15/28
  15. 17/14
  16. 20/21
  17. 31/30
  18. 9/10
  19. 19/21
  20. 11/12
  21. 17/20
  22. 23/21
  23. 3/10
  24. 59/36
  25. 1/4
  26. 19/30
  27. 5/22
  28. 1
  29. 1
  30. 11/14
  31. 29/24
  32. 19/35
  33. 3/4
  34. 2/3
  35. 29/28
  36. 71/60
  37. 1
  38. 13/40
  39. 1/55
  40. 23/20

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