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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 604 · 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 + 2/4 =
  2. 2.2/3 + 1/2 =
  3. 3.2/3 − 6/10 =
  4. 4.2/4 − 5/11 =
  5. 5.1/3 + 5/12 =
  6. 6.1/3 + 3/5 =
  7. 7.8/10 + 1/4 =
  8. 8.1/11 + 7/9 =
  9. 9.5/6 + 8/11 =
  10. 10.1/3 + 2/9 =
  11. 11.3/6 + 1/4 =
  12. 12.1/2 + 4/6 =
  13. 13.3/9 + 1/2 =
  14. 14.7/11 − 6/10 =
  15. 15.1/8 + 2/3 =
  16. 16.4/5 + 1/6 =
  17. 17.1/4 + 3/4 =
  18. 18.3/4 − 3/9 =
  19. 19.3/5 + 6/10 =
  20. 20.5/12 + 6/10 =
  21. 21.5/12 + 1/7 =
  22. 22.1/2 + 2/7 =
  23. 23.4/6 + 1/3 =
  24. 24.6/7 − 5/10 =
  25. 25.8/10 − 5/7 =
  26. 26.4/11 + 3/9 =
  27. 27.5/6 − 6/11 =
  28. 28.5/6 + 2/4 =
  29. 29.3/9 + 5/8 =
  30. 30.9/11 + 1/2 =
  31. 31.1/2 − 1/5 =
  32. 32.2/4 + 1/5 =
  33. 33.1/2 − 2/5 =
  34. 34.11/12 − 5/11 =
  35. 35.4/9 + 4/7 =
  36. 36.1/2 + 1/3 =
  37. 37.1/3 + 4/9 =
  38. 38.5/9 + 1/3 =
  39. 39.2/3 − 3/5 =
  40. 40.3/4 + 2/4 =

Answer key

  1. 5/4
  2. 7/6
  3. 1/15
  4. 1/22
  5. 3/4
  6. 14/15
  7. 21/20
  8. 86/99
  9. 103/66
  10. 5/9
  11. 3/4
  12. 7/6
  13. 5/6
  14. 2/55
  15. 19/24
  16. 29/30
  17. 1
  18. 5/12
  19. 6/5
  20. 61/60
  21. 47/84
  22. 11/14
  23. 1
  24. 5/14
  25. 3/35
  26. 23/33
  27. 19/66
  28. 4/3
  29. 23/24
  30. 29/22
  31. 3/10
  32. 7/10
  33. 1/10
  34. 61/132
  35. 64/63
  36. 5/6
  37. 7/9
  38. 8/9
  39. 1/15
  40. 5/4

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