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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 127 · 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. 1.4/8 + 1/5 =
  2. 2.3/8 + 2/7 =
  3. 3.4/8 + 2/3 =
  4. 4.2/3 + 4/5 =
  5. 5.6/12 − 3/10 =
  6. 6.1/2 + 4/8 =
  7. 7.2/6 + 2/11 =
  8. 8.2/8 + 1/2 =
  9. 9.1/4 + 2/4 =
  10. 10.1/2 + 6/10 =
  11. 11.6/7 + 5/12 =
  12. 12.3/5 + 3/8 =
  13. 13.8/12 + 4/9 =
  14. 14.4/6 + 1/2 =
  15. 15.1/4 + 3/9 =
  16. 16.3/5 − 2/5 =
  17. 17.1/2 − 1/12 =
  18. 18.5/8 + 2/5 =
  19. 19.8/10 − 3/5 =
  20. 20.1/9 + 6/10 =
  21. 21.3/5 − 1/4 =
  22. 22.2/4 + 6/9 =
  23. 23.7/11 + 2/6 =
  24. 24.6/11 + 1/3 =
  25. 25.3/4 − 5/10 =
  26. 26.4/5 − 8/12 =
  27. 27.5/9 + 5/9 =
  28. 28.8/10 + 1/2 =
  29. 29.9/11 − 1/2 =
  30. 30.1/2 + 5/8 =
  31. 31.1/2 + 2/4 =
  32. 32.5/6 − 2/3 =
  33. 33.2/4 + 9/10 =
  34. 34.3/5 + 1/7 =
  35. 35.1/3 − 1/7 =
  36. 36.7/8 − 6/10 =
  37. 37.1/10 + 1/2 =
  38. 38.1/9 − 1/12 =
  39. 39.6/9 + 1/7 =
  40. 40.4/7 + 1/3 =

Answer key

  1. 7/10
  2. 37/56
  3. 7/6
  4. 22/15
  5. 1/5
  6. 1
  7. 17/33
  8. 3/4
  9. 3/4
  10. 11/10
  11. 107/84
  12. 39/40
  13. 10/9
  14. 7/6
  15. 7/12
  16. 1/5
  17. 5/12
  18. 41/40
  19. 1/5
  20. 32/45
  21. 7/20
  22. 7/6
  23. 32/33
  24. 29/33
  25. 1/4
  26. 2/15
  27. 10/9
  28. 13/10
  29. 7/22
  30. 9/8
  31. 1
  32. 1/6
  33. 7/5
  34. 26/35
  35. 4/21
  36. 11/40
  37. 3/5
  38. 1/36
  39. 17/21
  40. 19/21

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