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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 903 · 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. 2.7/8 + 1/3 =
  3. 3.8/12 − 3/5 =
  4. 4.8/9 − 3/10 =
  5. 5.3/6 + 5/6 =
  6. 6.4/7 + 6/7 =
  7. 7.3/4 − 1/12 =
  8. 8.3/6 + 3/6 =
  9. 9.3/9 + 1/2 =
  10. 10.1/3 + 2/8 =
  11. 11.4/10 + 1/3 =
  12. 12.2/3 + 6/8 =
  13. 13.3/6 − 1/7 =
  14. 14.2/10 + 1/2 =
  15. 15.5/9 + 1/2 =
  16. 16.1/9 + 2/4 =
  17. 17.7/8 − 5/11 =
  18. 18.2/3 + 1/2 =
  19. 19.4/5 − 2/5 =
  20. 20.3/11 − 2/9 =
  21. 21.2/7 + 4/12 =
  22. 22.4/5 + 1/2 =
  23. 23.4/7 − 1/4 =
  24. 24.8/11 + 5/8 =
  25. 25.4/5 − 4/8 =
  26. 26.9/10 − 1/3 =
  27. 27.7/8 − 5/12 =
  28. 28.3/11 + 5/11 =
  29. 29.3/10 + 1/2 =
  30. 30.2/3 − 1/9 =
  31. 31.4/9 + 4/7 =
  32. 32.2/3 + 2/6 =
  33. 33.3/12 + 1/3 =
  34. 34.1/10 + 7/10 =
  35. 35.1/6 + 1/11 =
  36. 36.1/4 + 2/4 =
  37. 37.4/5 − 1/2 =
  38. 38.1/12 + 2/3 =
  39. 39.1/9 + 10/11 =
  40. 40.8/12 − 3/5 =

Answer key

  1. 1
  2. 29/24
  3. 1/15
  4. 53/90
  5. 4/3
  6. 10/7
  7. 2/3
  8. 1
  9. 5/6
  10. 7/12
  11. 11/15
  12. 17/12
  13. 5/14
  14. 7/10
  15. 19/18
  16. 11/18
  17. 37/88
  18. 7/6
  19. 2/5
  20. 5/99
  21. 13/21
  22. 13/10
  23. 9/28
  24. 119/88
  25. 3/10
  26. 17/30
  27. 11/24
  28. 8/11
  29. 4/5
  30. 5/9
  31. 64/63
  32. 1
  33. 7/12
  34. 4/5
  35. 17/66
  36. 3/4
  37. 3/10
  38. 3/4
  39. 101/99
  40. 1/15

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