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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 71 · 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. 1.3/10 + 1/2 =
  2. 2.4/8 + 4/12 =
  3. 3.1/2 − 1/11 =
  4. 4.2/6 − 2/9 =
  5. 5.3/9 + 4/5 =
  6. 6.1/5 + 2/4 =
  7. 7.1/5 + 1/3 =
  8. 8.1/7 + 4/6 =
  9. 9.7/8 − 2/7 =
  10. 10.1/4 + 1/4 =
  11. 11.1/2 − 1/6 =
  12. 12.2/3 − 1/5 =
  13. 13.4/6 + 9/12 =
  14. 14.1/2 − 2/6 =
  15. 15.5/7 + 5/12 =
  16. 16.4/7 − 4/9 =
  17. 17.2/9 + 1/7 =
  18. 18.8/11 − 1/4 =
  19. 19.8/11 − 1/5 =
  20. 20.1/2 + 1/2 =
  21. 21.1/2 − 4/10 =
  22. 22.5/9 + 1/4 =
  23. 23.1/2 − 1/6 =
  24. 24.7/9 − 2/3 =
  25. 25.8/11 − 3/5 =
  26. 26.6/8 + 4/12 =
  27. 27.1/2 − 1/3 =
  28. 28.1/2 − 2/8 =
  29. 29.4/5 − 1/4 =
  30. 30.9/12 + 5/11 =
  31. 31.1/5 + 5/6 =
  32. 32.5/6 − 2/4 =
  33. 33.5/7 − 4/9 =
  34. 34.2/10 + 7/10 =
  35. 35.7/8 − 6/11 =
  36. 36.1/2 + 2/10 =
  37. 37.4/6 + 7/12 =
  38. 38.3/9 + 1/11 =
  39. 39.4/12 + 2/6 =
  40. 40.3/4 − 6/12 =

Answer key

  1. 4/5
  2. 5/6
  3. 9/22
  4. 1/9
  5. 17/15
  6. 7/10
  7. 8/15
  8. 17/21
  9. 33/56
  10. 1/2
  11. 1/3
  12. 7/15
  13. 17/12
  14. 1/6
  15. 95/84
  16. 8/63
  17. 23/63
  18. 21/44
  19. 29/55
  20. 1
  21. 1/10
  22. 29/36
  23. 1/3
  24. 1/9
  25. 7/55
  26. 13/12
  27. 1/6
  28. 1/4
  29. 11/20
  30. 53/44
  31. 31/30
  32. 1/3
  33. 17/63
  34. 9/10
  35. 29/88
  36. 7/10
  37. 5/4
  38. 14/33
  39. 2/3
  40. 1/4

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