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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 913 · 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. 2.6/10 − 5/12 =
  3. 3.1/2 + 1/6 =
  4. 4.2/4 + 1/2 =
  5. 5.4/12 − 1/8 =
  6. 6.1/5 + 8/9 =
  7. 7.1/4 + 3/10 =
  8. 8.5/6 + 1/2 =
  9. 9.4/12 + 7/12 =
  10. 10.2/4 + 4/9 =
  11. 11.2/11 − 1/10 =
  12. 12.4/6 + 3/10 =
  13. 13.1/2 + 2/5 =
  14. 14.1/2 + 7/8 =
  15. 15.3/9 + 5/12 =
  16. 16.1/7 + 2/3 =
  17. 17.7/10 − 1/2 =
  18. 18.1/2 + 4/7 =
  19. 19.1/2 + 3/6 =
  20. 20.2/5 + 5/7 =
  21. 21.2/4 − 2/7 =
  22. 22.8/11 + 5/8 =
  23. 23.7/9 − 3/10 =
  24. 24.1/3 + 3/5 =
  25. 25.5/12 + 5/10 =
  26. 26.1/5 + 1/5 =
  27. 27.1/12 + 2/12 =
  28. 28.6/10 + 5/8 =
  29. 29.1/2 + 1/7 =
  30. 30.3/6 − 2/12 =
  31. 31.1/3 + 1/5 =
  32. 32.5/12 − 1/4 =
  33. 33.5/7 + 3/7 =
  34. 34.5/7 + 2/3 =
  35. 35.1/6 + 8/9 =
  36. 36.3/7 + 1/5 =
  37. 37.1/4 + 1/2 =
  38. 38.1/5 + 2/7 =
  39. 39.5/8 + 3/9 =
  40. 40.1/2 + 6/7 =

Answer key

  1. 1
  2. 11/60
  3. 2/3
  4. 1
  5. 5/24
  6. 49/45
  7. 11/20
  8. 4/3
  9. 11/12
  10. 17/18
  11. 9/110
  12. 29/30
  13. 9/10
  14. 11/8
  15. 3/4
  16. 17/21
  17. 1/5
  18. 15/14
  19. 1
  20. 39/35
  21. 3/14
  22. 119/88
  23. 43/90
  24. 14/15
  25. 11/12
  26. 2/5
  27. 1/4
  28. 49/40
  29. 9/14
  30. 1/3
  31. 8/15
  32. 1/6
  33. 8/7
  34. 29/21
  35. 19/18
  36. 22/35
  37. 3/4
  38. 17/35
  39. 23/24
  40. 19/14

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