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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 26 · 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. 1.3/7 + 6/11 =
  2. 2.3/8 − 4/12 =
  3. 3.4/6 + 2/3 =
  4. 4.5/10 + 6/8 =
  5. 5.3/6 + 2/5 =
  6. 6.4/8 + 1/11 =
  7. 7.2/7 + 1/5 =
  8. 8.2/5 − 2/8 =
  9. 9.1/9 + 4/6 =
  10. 10.1/8 + 5/6 =
  11. 11.6/7 + 1/10 =
  12. 12.4/6 − 1/2 =
  13. 13.3/4 + 2/5 =
  14. 14.6/7 + 4/9 =
  15. 15.5/7 + 4/6 =
  16. 16.5/8 + 1/2 =
  17. 17.1/2 + 3/11 =
  18. 18.1/8 + 3/9 =
  19. 19.2/3 − 2/8 =
  20. 20.5/8 − 1/9 =
  21. 21.4/5 + 2/10 =
  22. 22.5/11 + 1/7 =
  23. 23.2/7 − 1/6 =
  24. 24.1/4 + 4/7 =
  25. 25.2/4 + 1/6 =
  26. 26.3/8 + 1/4 =
  27. 27.6/11 + 7/11 =
  28. 28.1/2 + 3/7 =
  29. 29.1/4 + 3/7 =
  30. 30.1/12 + 1/2 =
  31. 31.5/6 + 2/3 =
  32. 32.7/9 − 8/11 =
  33. 33.1/5 − 1/10 =
  34. 34.2/5 − 1/5 =
  35. 35.4/6 − 4/11 =
  36. 36.3/10 + 2/5 =
  37. 37.1/7 + 2/4 =
  38. 38.5/8 + 1/7 =
  39. 39.2/3 + 3/4 =
  40. 40.1/5 + 1/7 =

Answer key

  1. 75/77
  2. 1/24
  3. 4/3
  4. 5/4
  5. 9/10
  6. 13/22
  7. 17/35
  8. 3/20
  9. 7/9
  10. 23/24
  11. 67/70
  12. 1/6
  13. 23/20
  14. 82/63
  15. 29/21
  16. 9/8
  17. 17/22
  18. 11/24
  19. 5/12
  20. 37/72
  21. 1
  22. 46/77
  23. 5/42
  24. 23/28
  25. 2/3
  26. 5/8
  27. 13/11
  28. 13/14
  29. 19/28
  30. 7/12
  31. 3/2
  32. 5/99
  33. 1/10
  34. 1/5
  35. 10/33
  36. 7/10
  37. 9/14
  38. 43/56
  39. 17/12
  40. 12/35

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