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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 344 · 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. 1.6/7 + 3/7 =
  2. 2.5/6 − 3/6 =
  3. 3.6/12 + 3/12 =
  4. 4.10/11 + 3/6 =
  5. 5.4/5 + 2/4 =
  6. 6.6/10 + 8/11 =
  7. 7.5/6 − 1/4 =
  8. 8.4/8 + 3/4 =
  9. 9.5/7 + 10/12 =
  10. 10.6/7 − 7/10 =
  11. 11.10/12 + 3/5 =
  12. 12.6/9 + 4/8 =
  13. 13.4/5 − 5/12 =
  14. 14.5/11 + 2/3 =
  15. 15.3/5 + 1/2 =
  16. 16.4/5 − 1/2 =
  17. 17.1/5 + 1/5 =
  18. 18.8/9 − 6/9 =
  19. 19.4/5 + 3/6 =
  20. 20.6/8 − 1/4 =
  21. 21.1/2 − 3/7 =
  22. 22.5/12 + 1/3 =
  23. 23.8/12 − 4/12 =
  24. 24.2/4 − 2/8 =
  25. 25.1/2 + 5/10 =
  26. 26.4/7 + 2/3 =
  27. 27.1/5 + 2/9 =
  28. 28.3/7 − 1/3 =
  29. 29.1/7 − 1/9 =
  30. 30.5/7 + 10/11 =
  31. 31.1/11 + 3/4 =
  32. 32.3/12 − 1/5 =
  33. 33.3/6 + 7/9 =
  34. 34.3/11 + 2/5 =
  35. 35.1/3 − 1/4 =
  36. 36.1/2 + 9/10 =
  37. 37.1/12 + 5/8 =
  38. 38.2/3 + 4/8 =
  39. 39.7/10 − 1/7 =
  40. 40.2/4 + 1/3 =

Answer key

  1. 9/7
  2. 1/3
  3. 3/4
  4. 31/22
  5. 13/10
  6. 73/55
  7. 7/12
  8. 5/4
  9. 65/42
  10. 11/70
  11. 43/30
  12. 7/6
  13. 23/60
  14. 37/33
  15. 11/10
  16. 3/10
  17. 2/5
  18. 2/9
  19. 13/10
  20. 1/2
  21. 1/14
  22. 3/4
  23. 1/3
  24. 1/4
  25. 1
  26. 26/21
  27. 19/45
  28. 2/21
  29. 2/63
  30. 125/77
  31. 37/44
  32. 1/20
  33. 23/18
  34. 37/55
  35. 1/12
  36. 7/5
  37. 17/24
  38. 7/6
  39. 39/70
  40. 5/6

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