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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 547 · 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. 1.1/2 + 1/2 =
  2. 2.1/2 + 1/3 =
  3. 3.1/2 + 1/2 =
  4. 4.10/12 + 8/12 =
  5. 5.1/2 − 3/11 =
  6. 6.1/3 + 3/4 =
  7. 7.4/7 − 4/8 =
  8. 8.3/5 − 4/9 =
  9. 9.5/10 + 2/5 =
  10. 10.5/9 + 8/9 =
  11. 11.8/12 + 1/3 =
  12. 12.6/8 + 3/8 =
  13. 13.1/2 − 2/11 =
  14. 14.4/6 − 2/9 =
  15. 15.3/10 + 2/3 =
  16. 16.1/9 + 5/7 =
  17. 17.8/10 + 3/5 =
  18. 18.3/10 + 5/12 =
  19. 19.8/9 − 1/7 =
  20. 20.7/8 + 1/10 =
  21. 21.7/12 + 1/4 =
  22. 22.1/5 + 2/6 =
  23. 23.7/11 − 1/11 =
  24. 24.2/8 + 2/6 =
  25. 25.4/8 − 2/10 =
  26. 26.1/2 + 6/9 =
  27. 27.3/6 + 1/2 =
  28. 28.1/4 + 1/2 =
  29. 29.3/9 + 3/4 =
  30. 30.1/4 + 2/4 =
  31. 31.10/12 − 4/5 =
  32. 32.7/8 − 3/6 =
  33. 33.1/3 + 6/7 =
  34. 34.2/4 + 1/2 =
  35. 35.3/5 − 3/11 =
  36. 36.1/7 − 1/9 =
  37. 37.3/5 + 1/3 =
  38. 38.1/2 + 7/10 =
  39. 39.1/2 − 1/9 =
  40. 40.1/2 + 2/3 =

Answer key

  1. 1
  2. 5/6
  3. 1
  4. 3/2
  5. 5/22
  6. 13/12
  7. 1/14
  8. 7/45
  9. 9/10
  10. 13/9
  11. 1
  12. 9/8
  13. 7/22
  14. 4/9
  15. 29/30
  16. 52/63
  17. 7/5
  18. 43/60
  19. 47/63
  20. 39/40
  21. 5/6
  22. 8/15
  23. 6/11
  24. 7/12
  25. 3/10
  26. 7/6
  27. 1
  28. 3/4
  29. 13/12
  30. 3/4
  31. 1/30
  32. 3/8
  33. 25/21
  34. 1
  35. 18/55
  36. 2/63
  37. 14/15
  38. 6/5
  39. 7/18
  40. 7/6

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