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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 47 · 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. 1.9/10 + 10/12 =
  2. 2.1/4 + 1/10 =
  3. 3.7/9 − 4/6 =
  4. 4.2/3 − 1/5 =
  5. 5.8/11 + 9/11 =
  6. 6.5/12 + 1/7 =
  7. 7.3/4 − 8/12 =
  8. 8.4/5 − 3/5 =
  9. 9.3/4 − 1/5 =
  10. 10.1/2 + 4/8 =
  11. 11.1/9 + 10/12 =
  12. 12.7/8 + 3/11 =
  13. 13.3/4 − 1/4 =
  14. 14.2/8 + 1/11 =
  15. 15.4/7 − 1/12 =
  16. 16.9/10 − 7/10 =
  17. 17.6/12 + 5/7 =
  18. 18.3/4 + 7/10 =
  19. 19.2/4 + 1/4 =
  20. 20.1/3 − 1/8 =
  21. 21.2/12 + 2/5 =
  22. 22.1/2 + 4/10 =
  23. 23.3/9 + 1/10 =
  24. 24.2/4 − 1/7 =
  25. 25.4/8 − 3/9 =
  26. 26.1/11 + 2/3 =
  27. 27.1/5 + 7/9 =
  28. 28.3/6 − 3/12 =
  29. 29.6/12 − 1/4 =
  30. 30.1/2 − 1/4 =
  31. 31.4/6 − 1/4 =
  32. 32.8/10 − 6/8 =
  33. 33.2/3 + 5/6 =
  34. 34.1/5 + 7/11 =
  35. 35.1/2 + 4/7 =
  36. 36.1/2 − 1/4 =
  37. 37.7/12 − 2/8 =
  38. 38.2/4 + 3/11 =
  39. 39.3/4 − 2/4 =
  40. 40.2/5 − 1/3 =

Answer key

  1. 26/15
  2. 7/20
  3. 1/9
  4. 7/15
  5. 17/11
  6. 47/84
  7. 1/12
  8. 1/5
  9. 11/20
  10. 1
  11. 17/18
  12. 101/88
  13. 1/2
  14. 15/44
  15. 41/84
  16. 1/5
  17. 17/14
  18. 29/20
  19. 3/4
  20. 5/24
  21. 17/30
  22. 9/10
  23. 13/30
  24. 5/14
  25. 1/6
  26. 25/33
  27. 44/45
  28. 1/4
  29. 1/4
  30. 1/4
  31. 5/12
  32. 1/20
  33. 3/2
  34. 46/55
  35. 15/14
  36. 1/4
  37. 1/3
  38. 17/22
  39. 1/4
  40. 1/15

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