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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 13 · 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. 1.4/7 + 4/8 =
  2. 2.1/4 + 3/6 =
  3. 3.6/12 − 1/12 =
  4. 4.4/11 + 3/7 =
  5. 5.3/10 + 10/11 =
  6. 6.5/9 − 1/2 =
  7. 7.2/4 + 10/11 =
  8. 8.2/3 + 1/11 =
  9. 9.2/7 − 2/8 =
  10. 10.2/8 + 4/9 =
  11. 11.6/11 + 7/9 =
  12. 12.7/10 + 7/10 =
  13. 13.6/10 + 2/3 =
  14. 14.4/6 + 1/4 =
  15. 15.8/11 + 5/12 =
  16. 16.1/5 + 3/11 =
  17. 17.4/10 − 1/10 =
  18. 18.9/11 − 2/7 =
  19. 19.3/11 − 2/10 =
  20. 20.6/10 + 1/11 =
  21. 21.4/6 − 3/6 =
  22. 22.5/8 − 1/4 =
  23. 23.1/2 + 4/6 =
  24. 24.5/9 + 1/2 =
  25. 25.1/5 + 2/5 =
  26. 26.2/3 + 7/10 =
  27. 27.5/7 + 1/10 =
  28. 28.5/6 + 3/8 =
  29. 29.6/12 + 5/11 =
  30. 30.4/10 + 5/10 =
  31. 31.5/10 + 1/12 =
  32. 32.1/4 − 2/12 =
  33. 33.3/4 + 1/2 =
  34. 34.1/6 + 8/12 =
  35. 35.4/9 + 2/5 =
  36. 36.1/2 + 3/11 =
  37. 37.4/6 + 2/4 =
  38. 38.1/8 + 2/7 =
  39. 39.1/7 + 1/5 =
  40. 40.4/5 − 1/2 =

Answer key

  1. 15/14
  2. 3/4
  3. 5/12
  4. 61/77
  5. 133/110
  6. 1/18
  7. 31/22
  8. 25/33
  9. 1/28
  10. 25/36
  11. 131/99
  12. 7/5
  13. 19/15
  14. 11/12
  15. 151/132
  16. 26/55
  17. 3/10
  18. 41/77
  19. 4/55
  20. 38/55
  21. 1/6
  22. 3/8
  23. 7/6
  24. 19/18
  25. 3/5
  26. 41/30
  27. 57/70
  28. 29/24
  29. 21/22
  30. 9/10
  31. 7/12
  32. 1/12
  33. 5/4
  34. 5/6
  35. 38/45
  36. 17/22
  37. 7/6
  38. 23/56
  39. 12/35
  40. 3/10

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