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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 22 · 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. 1.6/11 − 2/9 =
  2. 2.5/6 + 4/6 =
  3. 3.1/4 + 2/4 =
  4. 4.3/6 + 1/4 =
  5. 5.2/4 + 1/3 =
  6. 6.1/3 + 2/4 =
  7. 7.3/7 + 1/9 =
  8. 8.2/3 + 8/9 =
  9. 9.2/6 + 2/8 =
  10. 10.3/7 − 1/3 =
  11. 11.4/5 − 2/5 =
  12. 12.2/3 − 1/2 =
  13. 13.2/11 − 1/9 =
  14. 14.7/9 − 1/2 =
  15. 15.2/3 − 2/4 =
  16. 16.4/11 + 4/7 =
  17. 17.2/9 + 5/6 =
  18. 18.6/8 − 1/2 =
  19. 19.9/12 + 7/10 =
  20. 20.4/11 + 6/9 =
  21. 21.4/6 − 1/5 =
  22. 22.9/11 + 1/5 =
  23. 23.1/12 + 3/4 =
  24. 24.1/4 + 11/12 =
  25. 25.2/7 − 2/8 =
  26. 26.2/3 + 4/5 =
  27. 27.6/12 + 3/8 =
  28. 28.1/3 + 1/2 =
  29. 29.3/6 + 2/4 =
  30. 30.2/6 + 1/3 =
  31. 31.7/11 − 4/10 =
  32. 32.1/2 − 2/10 =
  33. 33.2/5 − 1/3 =
  34. 34.1/2 + 3/9 =
  35. 35.6/12 + 3/9 =
  36. 36.2/4 − 2/12 =
  37. 37.7/9 + 2/8 =
  38. 38.11/12 − 3/7 =
  39. 39.7/11 − 2/12 =
  40. 40.2/11 + 2/4 =

Answer key

  1. 32/99
  2. 3/2
  3. 3/4
  4. 3/4
  5. 5/6
  6. 5/6
  7. 34/63
  8. 14/9
  9. 7/12
  10. 2/21
  11. 2/5
  12. 1/6
  13. 7/99
  14. 5/18
  15. 1/6
  16. 72/77
  17. 19/18
  18. 1/4
  19. 29/20
  20. 34/33
  21. 7/15
  22. 56/55
  23. 5/6
  24. 7/6
  25. 1/28
  26. 22/15
  27. 7/8
  28. 5/6
  29. 1
  30. 2/3
  31. 13/55
  32. 3/10
  33. 1/15
  34. 5/6
  35. 5/6
  36. 1/3
  37. 37/36
  38. 41/84
  39. 31/66
  40. 15/22

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