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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 704 · 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. 1.1/4 + 3/8 =
  2. 2.7/9 + 6/12 =
  3. 3.4/8 + 2/5 =
  4. 4.2/8 + 1/2 =
  5. 5.6/8 + 1/5 =
  6. 6.3/10 + 2/5 =
  7. 7.2/4 + 2/3 =
  8. 8.1/4 + 1/2 =
  9. 9.8/12 − 1/7 =
  10. 10.8/11 + 1/5 =
  11. 11.4/8 + 2/3 =
  12. 12.2/4 + 3/6 =
  13. 13.3/4 + 8/9 =
  14. 14.8/10 + 1/2 =
  15. 15.3/10 + 1/3 =
  16. 16.1/2 + 8/10 =
  17. 17.2/3 − 5/11 =
  18. 18.6/7 + 1/4 =
  19. 19.2/5 + 9/10 =
  20. 20.4/7 − 1/5 =
  21. 21.5/9 + 3/4 =
  22. 22.1/2 − 2/7 =
  23. 23.5/6 + 2/7 =
  24. 24.2/3 + 1/2 =
  25. 25.1/12 + 3/10 =
  26. 26.2/7 + 8/9 =
  27. 27.1/8 + 1/2 =
  28. 28.6/10 + 6/11 =
  29. 29.1/3 − 2/7 =
  30. 30.6/12 + 2/4 =
  31. 31.1/2 − 1/7 =
  32. 32.2/4 + 1/2 =
  33. 33.2/3 − 1/2 =
  34. 34.6/9 − 1/2 =
  35. 35.4/10 + 3/6 =
  36. 36.7/10 − 2/7 =
  37. 37.3/4 + 5/6 =
  38. 38.3/4 + 1/2 =
  39. 39.10/11 + 5/10 =
  40. 40.4/5 + 2/4 =

Answer key

  1. 5/8
  2. 23/18
  3. 9/10
  4. 3/4
  5. 19/20
  6. 7/10
  7. 7/6
  8. 3/4
  9. 11/21
  10. 51/55
  11. 7/6
  12. 1
  13. 59/36
  14. 13/10
  15. 19/30
  16. 13/10
  17. 7/33
  18. 31/28
  19. 13/10
  20. 13/35
  21. 47/36
  22. 3/14
  23. 47/42
  24. 7/6
  25. 23/60
  26. 74/63
  27. 5/8
  28. 63/55
  29. 1/21
  30. 1
  31. 5/14
  32. 1
  33. 1/6
  34. 1/6
  35. 9/10
  36. 29/70
  37. 19/12
  38. 5/4
  39. 31/22
  40. 13/10

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