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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 832 · 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. 1.6/8 + 4/6 =
  2. 2.2/3 + 3/12 =
  3. 3.3/6 − 2/12 =
  4. 4.4/7 − 3/6 =
  5. 5.1/2 + 4/8 =
  6. 6.7/9 + 1/7 =
  7. 7.3/8 + 2/9 =
  8. 8.9/12 − 2/6 =
  9. 9.1/7 + 1/4 =
  10. 10.1/2 + 1/2 =
  11. 11.1/5 + 10/12 =
  12. 12.2/3 − 2/11 =
  13. 13.2/7 + 1/5 =
  14. 14.4/10 + 1/2 =
  15. 15.1/4 + 5/8 =
  16. 16.7/8 + 2/8 =
  17. 17.2/6 + 1/5 =
  18. 18.5/10 − 1/3 =
  19. 19.7/10 + 2/6 =
  20. 20.3/5 + 2/5 =
  21. 21.3/12 − 1/7 =
  22. 22.4/5 + 7/9 =
  23. 23.2/3 + 1/5 =
  24. 24.5/7 + 2/7 =
  25. 25.4/6 − 3/6 =
  26. 26.1/2 − 3/12 =
  27. 27.1/2 − 3/7 =
  28. 28.1/3 + 2/3 =
  29. 29.2/3 + 3/7 =
  30. 30.1/2 + 1/6 =
  31. 31.1/2 + 1/3 =
  32. 32.1/4 + 3/12 =
  33. 33.6/9 + 1/5 =
  34. 34.6/9 + 2/4 =
  35. 35.3/5 − 1/2 =
  36. 36.1/4 + 1/2 =
  37. 37.1/2 − 5/11 =
  38. 38.1/2 + 2/3 =
  39. 39.1/3 + 1/9 =
  40. 40.3/4 − 2/4 =

Answer key

  1. 17/12
  2. 11/12
  3. 1/3
  4. 1/14
  5. 1
  6. 58/63
  7. 43/72
  8. 5/12
  9. 11/28
  10. 1
  11. 31/30
  12. 16/33
  13. 17/35
  14. 9/10
  15. 7/8
  16. 9/8
  17. 8/15
  18. 1/6
  19. 31/30
  20. 1
  21. 3/28
  22. 71/45
  23. 13/15
  24. 1
  25. 1/6
  26. 1/4
  27. 1/14
  28. 1
  29. 23/21
  30. 2/3
  31. 5/6
  32. 1/2
  33. 13/15
  34. 7/6
  35. 1/10
  36. 3/4
  37. 1/22
  38. 7/6
  39. 4/9
  40. 1/4

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