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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 49 · 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. 1.5/10 + 1/3 =
  2. 2.3/7 − 3/8 =
  3. 3.6/7 + 9/10 =
  4. 4.1/7 + 9/10 =
  5. 5.2/7 + 4/6 =
  6. 6.5/9 + 5/11 =
  7. 7.1/2 + 2/10 =
  8. 8.6/9 + 2/4 =
  9. 9.8/11 − 1/2 =
  10. 10.2/4 + 9/11 =
  11. 11.10/11 + 2/3 =
  12. 12.2/3 + 10/11 =
  13. 13.8/10 − 4/6 =
  14. 14.1/3 − 2/11 =
  15. 15.8/10 − 1/3 =
  16. 16.8/11 − 2/6 =
  17. 17.1/5 + 2/8 =
  18. 18.1/2 + 3/12 =
  19. 19.1/2 + 1/2 =
  20. 20.1/5 + 2/10 =
  21. 21.1/3 + 2/5 =
  22. 22.5/12 − 1/5 =
  23. 23.3/6 + 2/3 =
  24. 24.4/6 + 5/10 =
  25. 25.4/7 − 3/11 =
  26. 26.5/6 − 2/3 =
  27. 27.4/5 + 7/11 =
  28. 28.1/9 + 2/9 =
  29. 29.1/2 + 8/10 =
  30. 30.7/8 + 2/4 =
  31. 31.2/4 + 3/7 =
  32. 32.9/10 − 1/2 =
  33. 33.6/7 − 1/2 =
  34. 34.3/5 − 4/8 =
  35. 35.9/11 − 5/11 =
  36. 36.5/8 + 5/7 =
  37. 37.4/9 + 1/2 =
  38. 38.2/4 − 1/3 =
  39. 39.6/8 − 3/8 =
  40. 40.7/9 − 1/10 =

Answer key

  1. 5/6
  2. 3/56
  3. 123/70
  4. 73/70
  5. 20/21
  6. 100/99
  7. 7/10
  8. 7/6
  9. 5/22
  10. 29/22
  11. 52/33
  12. 52/33
  13. 2/15
  14. 5/33
  15. 7/15
  16. 13/33
  17. 9/20
  18. 3/4
  19. 1
  20. 2/5
  21. 11/15
  22. 13/60
  23. 7/6
  24. 7/6
  25. 23/77
  26. 1/6
  27. 79/55
  28. 1/3
  29. 13/10
  30. 11/8
  31. 13/14
  32. 2/5
  33. 5/14
  34. 1/10
  35. 4/11
  36. 75/56
  37. 17/18
  38. 1/6
  39. 3/8
  40. 61/90

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