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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 693 · 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. 1.2/9 + 5/7 =
  2. 2.3/4 + 2/3 =
  3. 3.4/7 − 1/2 =
  4. 4.6/7 − 2/5 =
  5. 5.2/3 − 1/4 =
  6. 6.1/3 + 4/8 =
  7. 7.2/4 + 1/2 =
  8. 8.3/4 − 1/4 =
  9. 9.1/3 + 2/3 =
  10. 10.1/6 + 3/4 =
  11. 11.6/11 + 1/4 =
  12. 12.8/10 − 1/7 =
  13. 13.3/4 − 1/12 =
  14. 14.3/9 + 3/4 =
  15. 15.2/4 + 3/4 =
  16. 16.1/5 + 1/5 =
  17. 17.1/12 + 2/9 =
  18. 18.2/9 + 4/6 =
  19. 19.8/10 − 1/5 =
  20. 20.1/2 + 3/5 =
  21. 21.9/12 + 1/2 =
  22. 22.7/12 + 3/8 =
  23. 23.1/10 + 3/4 =
  24. 24.3/7 − 2/8 =
  25. 25.1/2 − 2/6 =
  26. 26.1/3 + 8/11 =
  27. 27.4/5 − 1/2 =
  28. 28.2/3 + 1/3 =
  29. 29.6/8 + 8/9 =
  30. 30.2/6 + 8/10 =
  31. 31.1/2 + 1/3 =
  32. 32.4/6 − 7/11 =
  33. 33.2/3 + 1/8 =
  34. 34.3/10 + 1/4 =
  35. 35.1/3 + 5/6 =
  36. 36.3/4 − 1/2 =
  37. 37.3/8 − 1/7 =
  38. 38.6/8 − 3/6 =
  39. 39.4/6 − 1/3 =
  40. 40.7/10 − 2/3 =

Answer key

  1. 59/63
  2. 17/12
  3. 1/14
  4. 16/35
  5. 5/12
  6. 5/6
  7. 1
  8. 1/2
  9. 1
  10. 11/12
  11. 35/44
  12. 23/35
  13. 2/3
  14. 13/12
  15. 5/4
  16. 2/5
  17. 11/36
  18. 8/9
  19. 3/5
  20. 11/10
  21. 5/4
  22. 23/24
  23. 17/20
  24. 5/28
  25. 1/6
  26. 35/33
  27. 3/10
  28. 1
  29. 59/36
  30. 17/15
  31. 5/6
  32. 1/33
  33. 19/24
  34. 11/20
  35. 7/6
  36. 1/4
  37. 13/56
  38. 1/4
  39. 1/3
  40. 1/30

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