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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 996 · 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. 1.1/4 + 5/7 =
  2. 2.1/4 + 1/6 =
  3. 3.5/11 + 1/7 =
  4. 4.4/7 − 1/4 =
  5. 5.1/3 + 1/3 =
  6. 6.6/8 + 2/4 =
  7. 7.8/9 + 2/7 =
  8. 8.7/11 − 5/8 =
  9. 9.3/5 + 3/9 =
  10. 10.3/10 + 1/5 =
  11. 11.4/11 + 7/12 =
  12. 12.1/3 − 2/11 =
  13. 13.5/8 + 2/9 =
  14. 14.2/10 − 1/11 =
  15. 15.7/10 + 3/5 =
  16. 16.1/7 − 1/8 =
  17. 17.3/8 + 4/9 =
  18. 18.1/3 + 10/11 =
  19. 19.8/10 + 2/4 =
  20. 20.2/9 + 8/9 =
  21. 21.8/10 − 2/3 =
  22. 22.2/3 − 4/7 =
  23. 23.3/12 + 11/12 =
  24. 24.2/3 + 2/6 =
  25. 25.1/2 + 7/10 =
  26. 26.7/9 − 1/4 =
  27. 27.3/10 + 1/3 =
  28. 28.2/3 + 11/12 =
  29. 29.3/7 − 1/3 =
  30. 30.1/2 + 2/7 =
  31. 31.1/3 + 1/3 =
  32. 32.8/11 − 7/12 =
  33. 33.1/2 + 9/11 =
  34. 34.7/11 + 3/9 =
  35. 35.1/7 + 5/6 =
  36. 36.8/11 + 2/10 =
  37. 37.4/5 − 4/6 =
  38. 38.2/3 + 4/7 =
  39. 39.2/12 + 6/9 =
  40. 40.4/5 + 2/12 =

Answer key

  1. 27/28
  2. 5/12
  3. 46/77
  4. 9/28
  5. 2/3
  6. 5/4
  7. 74/63
  8. 1/88
  9. 14/15
  10. 1/2
  11. 125/132
  12. 5/33
  13. 61/72
  14. 6/55
  15. 13/10
  16. 1/56
  17. 59/72
  18. 41/33
  19. 13/10
  20. 10/9
  21. 2/15
  22. 2/21
  23. 7/6
  24. 1
  25. 6/5
  26. 19/36
  27. 19/30
  28. 19/12
  29. 2/21
  30. 11/14
  31. 2/3
  32. 19/132
  33. 29/22
  34. 32/33
  35. 41/42
  36. 51/55
  37. 2/15
  38. 26/21
  39. 5/6
  40. 29/30

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