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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 619 · 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. 1.2/3 + 2/4 =
  2. 2.4/9 + 4/9 =
  3. 3.3/10 + 3/4 =
  4. 4.3/4 − 1/2 =
  5. 5.5/9 + 1/5 =
  6. 6.4/8 + 4/9 =
  7. 7.1/5 + 4/12 =
  8. 8.1/2 − 2/6 =
  9. 9.4/5 − 1/2 =
  10. 10.4/7 + 2/3 =
  11. 11.2/3 − 1/12 =
  12. 12.4/11 + 1/2 =
  13. 13.3/4 + 2/3 =
  14. 14.7/11 + 2/6 =
  15. 15.4/5 − 1/3 =
  16. 16.4/6 + 1/3 =
  17. 17.4/5 + 3/9 =
  18. 18.6/8 + 9/12 =
  19. 19.4/11 + 5/11 =
  20. 20.3/11 + 5/12 =
  21. 21.1/3 + 6/8 =
  22. 22.4/6 − 1/3 =
  23. 23.5/8 − 5/10 =
  24. 24.3/5 + 1/5 =
  25. 25.1/2 − 4/9 =
  26. 26.3/4 + 3/5 =
  27. 27.4/10 − 1/6 =
  28. 28.1/2 − 1/8 =
  29. 29.1/12 + 1/6 =
  30. 30.6/9 − 2/5 =
  31. 31.8/9 − 5/8 =
  32. 32.1/5 + 8/11 =
  33. 33.1/7 + 1/10 =
  34. 34.7/8 − 4/6 =
  35. 35.5/6 − 2/8 =
  36. 36.7/8 + 1/2 =
  37. 37.1/2 + 2/10 =
  38. 38.4/6 − 1/9 =
  39. 39.6/7 + 8/10 =
  40. 40.11/12 − 3/9 =

Answer key

  1. 7/6
  2. 8/9
  3. 21/20
  4. 1/4
  5. 34/45
  6. 17/18
  7. 8/15
  8. 1/6
  9. 3/10
  10. 26/21
  11. 7/12
  12. 19/22
  13. 17/12
  14. 32/33
  15. 7/15
  16. 1
  17. 17/15
  18. 3/2
  19. 9/11
  20. 91/132
  21. 13/12
  22. 1/3
  23. 1/8
  24. 4/5
  25. 1/18
  26. 27/20
  27. 7/30
  28. 3/8
  29. 1/4
  30. 4/15
  31. 19/72
  32. 51/55
  33. 17/70
  34. 5/24
  35. 7/12
  36. 11/8
  37. 7/10
  38. 5/9
  39. 58/35
  40. 7/12

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