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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 750 · 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. 1.1/3 + 2/10 =
  2. 2.2/3 − 1/6 =
  3. 3.3/10 + 1/6 =
  4. 4.1/4 + 1/2 =
  5. 5.7/12 − 2/4 =
  6. 6.1/3 + 3/4 =
  7. 7.7/9 + 3/4 =
  8. 8.1/3 + 6/12 =
  9. 9.7/9 + 1/2 =
  10. 10.2/9 + 2/3 =
  11. 11.9/10 + 6/7 =
  12. 12.1/2 + 2/5 =
  13. 13.2/7 + 2/4 =
  14. 14.2/10 + 1/9 =
  15. 15.10/12 − 3/8 =
  16. 16.1/3 − 2/7 =
  17. 17.6/11 − 1/6 =
  18. 18.7/10 − 1/3 =
  19. 19.2/3 + 1/8 =
  20. 20.4/6 − 6/12 =
  21. 21.2/3 − 2/8 =
  22. 22.3/7 − 1/8 =
  23. 23.1/11 + 2/10 =
  24. 24.2/7 + 2/3 =
  25. 25.2/5 + 2/5 =
  26. 26.2/7 + 1/2 =
  27. 27.1/2 − 1/5 =
  28. 28.1/3 + 2/4 =
  29. 29.6/12 + 2/3 =
  30. 30.5/8 + 1/7 =
  31. 31.1/3 + 7/9 =
  32. 32.5/7 + 1/5 =
  33. 33.7/8 − 1/2 =
  34. 34.2/4 − 1/3 =
  35. 35.2/5 + 3/6 =
  36. 36.9/10 − 3/5 =
  37. 37.1/4 + 2/3 =
  38. 38.2/4 − 1/5 =
  39. 39.1/7 − 1/9 =
  40. 40.3/10 + 3/9 =

Answer key

  1. 8/15
  2. 1/2
  3. 7/15
  4. 3/4
  5. 1/12
  6. 13/12
  7. 55/36
  8. 5/6
  9. 23/18
  10. 8/9
  11. 123/70
  12. 9/10
  13. 11/14
  14. 14/45
  15. 11/24
  16. 1/21
  17. 25/66
  18. 11/30
  19. 19/24
  20. 1/6
  21. 5/12
  22. 17/56
  23. 16/55
  24. 20/21
  25. 4/5
  26. 11/14
  27. 3/10
  28. 5/6
  29. 7/6
  30. 43/56
  31. 10/9
  32. 32/35
  33. 3/8
  34. 1/6
  35. 9/10
  36. 3/10
  37. 11/12
  38. 3/10
  39. 2/63
  40. 19/30

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