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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 855 · 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. 1.2/5 + 3/4 =
  2. 2.4/7 − 2/6 =
  3. 3.7/8 − 9/11 =
  4. 4.1/2 − 2/8 =
  5. 5.6/10 − 2/7 =
  6. 6.3/6 − 1/7 =
  7. 7.8/10 − 2/7 =
  8. 8.6/10 + 1/3 =
  9. 9.5/6 + 2/6 =
  10. 10.4/6 + 1/2 =
  11. 11.8/9 + 7/9 =
  12. 12.5/8 − 2/7 =
  13. 13.6/8 + 2/11 =
  14. 14.2/4 + 6/12 =
  15. 15.1/3 + 4/11 =
  16. 16.7/9 − 1/2 =
  17. 17.2/3 − 4/10 =
  18. 18.9/12 − 2/11 =
  19. 19.8/10 − 6/10 =
  20. 20.5/6 − 1/3 =
  21. 21.2/3 − 1/4 =
  22. 22.5/9 − 2/8 =
  23. 23.4/6 − 1/2 =
  24. 24.8/11 + 1/10 =
  25. 25.1/5 + 5/7 =
  26. 26.9/12 + 1/3 =
  27. 27.1/2 − 1/9 =
  28. 28.7/8 + 3/4 =
  29. 29.8/9 + 1/2 =
  30. 30.1/2 + 1/3 =
  31. 31.7/8 + 7/8 =
  32. 32.3/5 + 6/11 =
  33. 33.11/12 − 3/12 =
  34. 34.1/2 + 4/5 =
  35. 35.3/4 − 4/9 =
  36. 36.2/3 − 3/7 =
  37. 37.3/4 + 1/4 =
  38. 38.3/4 + 3/4 =
  39. 39.3/4 + 9/11 =
  40. 40.8/12 − 1/2 =

Answer key

  1. 23/20
  2. 5/21
  3. 5/88
  4. 1/4
  5. 11/35
  6. 5/14
  7. 18/35
  8. 14/15
  9. 7/6
  10. 7/6
  11. 5/3
  12. 19/56
  13. 41/44
  14. 1
  15. 23/33
  16. 5/18
  17. 4/15
  18. 25/44
  19. 1/5
  20. 1/2
  21. 5/12
  22. 11/36
  23. 1/6
  24. 91/110
  25. 32/35
  26. 13/12
  27. 7/18
  28. 13/8
  29. 25/18
  30. 5/6
  31. 7/4
  32. 63/55
  33. 2/3
  34. 13/10
  35. 11/36
  36. 5/21
  37. 1
  38. 3/2
  39. 69/44
  40. 1/6

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