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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 831 · 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. 1.3/4 + 5/8 =
  2. 2.1/7 + 1/4 =
  3. 3.1/2 + 1/4 =
  4. 4.4/10 + 5/6 =
  5. 5.9/11 − 4/8 =
  6. 6.1/2 + 2/4 =
  7. 7.7/8 + 2/5 =
  8. 8.5/9 − 6/12 =
  9. 9.4/5 − 1/7 =
  10. 10.1/2 − 2/9 =
  11. 11.6/9 − 1/5 =
  12. 12.6/8 − 1/9 =
  13. 13.3/4 − 2/11 =
  14. 14.1/7 + 5/7 =
  15. 15.3/6 − 1/3 =
  16. 16.3/5 + 1/5 =
  17. 17.6/10 + 4/8 =
  18. 18.2/3 + 6/9 =
  19. 19.5/11 + 9/11 =
  20. 20.2/3 − 1/2 =
  21. 21.3/8 + 2/6 =
  22. 22.5/10 + 1/2 =
  23. 23.5/12 − 1/5 =
  24. 24.3/4 − 2/6 =
  25. 25.2/10 + 2/5 =
  26. 26.4/9 − 1/6 =
  27. 27.4/8 − 1/12 =
  28. 28.6/9 + 1/3 =
  29. 29.9/11 − 6/9 =
  30. 30.3/12 + 1/10 =
  31. 31.2/5 + 3/12 =
  32. 32.1/8 + 6/7 =
  33. 33.4/10 + 1/4 =
  34. 34.7/9 + 6/8 =
  35. 35.4/5 + 5/8 =
  36. 36.4/5 + 2/8 =
  37. 37.1/3 + 1/9 =
  38. 38.8/11 + 2/4 =
  39. 39.5/7 − 1/2 =
  40. 40.2/10 + 1/9 =

Answer key

  1. 11/8
  2. 11/28
  3. 3/4
  4. 37/30
  5. 7/22
  6. 1
  7. 51/40
  8. 1/18
  9. 23/35
  10. 5/18
  11. 7/15
  12. 23/36
  13. 25/44
  14. 6/7
  15. 1/6
  16. 4/5
  17. 11/10
  18. 4/3
  19. 14/11
  20. 1/6
  21. 17/24
  22. 1
  23. 13/60
  24. 5/12
  25. 3/5
  26. 5/18
  27. 5/12
  28. 1
  29. 5/33
  30. 7/20
  31. 13/20
  32. 55/56
  33. 13/20
  34. 55/36
  35. 57/40
  36. 21/20
  37. 4/9
  38. 27/22
  39. 3/14
  40. 14/45

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