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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 289 · 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. 1.4/7 + 1/6 =
  2. 2.3/5 + 1/3 =
  3. 3.2/5 + 2/10 =
  4. 4.9/11 − 5/9 =
  5. 5.7/12 − 3/6 =
  6. 6.4/7 − 2/6 =
  7. 7.2/5 − 3/8 =
  8. 8.3/4 + 7/8 =
  9. 9.5/6 + 11/12 =
  10. 10.1/2 − 2/9 =
  11. 11.3/10 + 1/4 =
  12. 12.9/11 − 8/12 =
  13. 13.7/10 + 1/3 =
  14. 14.4/8 + 2/5 =
  15. 15.2/10 + 5/7 =
  16. 16.8/12 − 1/2 =
  17. 17.3/7 + 2/9 =
  18. 18.8/9 − 5/7 =
  19. 19.3/5 − 1/5 =
  20. 20.2/9 + 1/2 =
  21. 21.1/3 + 1/3 =
  22. 22.7/11 − 5/8 =
  23. 23.1/2 + 8/10 =
  24. 24.8/10 − 4/11 =
  25. 25.1/3 + 1/6 =
  26. 26.1/4 + 6/10 =
  27. 27.8/9 − 2/7 =
  28. 28.1/2 + 1/7 =
  29. 29.3/7 + 3/7 =
  30. 30.4/8 + 5/8 =
  31. 31.3/4 − 1/11 =
  32. 32.1/2 + 1/3 =
  33. 33.1/7 + 1/6 =
  34. 34.3/5 − 1/2 =
  35. 35.2/11 + 1/6 =
  36. 36.2/3 − 3/9 =
  37. 37.1/9 + 2/8 =
  38. 38.6/9 + 5/6 =
  39. 39.4/5 + 2/3 =
  40. 40.1/2 + 3/4 =

Answer key

  1. 31/42
  2. 14/15
  3. 3/5
  4. 26/99
  5. 1/12
  6. 5/21
  7. 1/40
  8. 13/8
  9. 7/4
  10. 5/18
  11. 11/20
  12. 5/33
  13. 31/30
  14. 9/10
  15. 32/35
  16. 1/6
  17. 41/63
  18. 11/63
  19. 2/5
  20. 13/18
  21. 2/3
  22. 1/88
  23. 13/10
  24. 24/55
  25. 1/2
  26. 17/20
  27. 38/63
  28. 9/14
  29. 6/7
  30. 9/8
  31. 29/44
  32. 5/6
  33. 13/42
  34. 1/10
  35. 23/66
  36. 1/3
  37. 13/36
  38. 3/2
  39. 22/15
  40. 5/4

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