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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 938 · 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. 1.5/8 + 1/3 =
  2. 2.5/8 − 6/10 =
  3. 3.1/6 − 1/8 =
  4. 4.2/3 + 4/6 =
  5. 5.3/12 − 2/9 =
  6. 6.8/10 − 3/4 =
  7. 7.3/10 + 2/9 =
  8. 8.1/2 − 1/4 =
  9. 9.7/11 + 2/3 =
  10. 10.3/4 + 3/9 =
  11. 11.4/6 + 8/9 =
  12. 12.1/7 + 1/2 =
  13. 13.7/8 − 7/11 =
  14. 14.2/3 − 2/9 =
  15. 15.8/9 − 1/2 =
  16. 16.4/11 + 8/9 =
  17. 17.6/7 + 10/11 =
  18. 18.5/10 − 1/11 =
  19. 19.7/10 + 3/5 =
  20. 20.4/5 + 5/7 =
  21. 21.4/10 + 1/9 =
  22. 22.1/3 + 1/10 =
  23. 23.1/5 + 6/11 =
  24. 24.6/10 + 4/7 =
  25. 25.7/11 − 1/4 =
  26. 26.3/7 + 1/5 =
  27. 27.1/2 + 2/12 =
  28. 28.3/6 + 2/10 =
  29. 29.1/2 − 1/6 =
  30. 30.3/5 − 1/2 =
  31. 31.4/6 + 1/2 =
  32. 32.4/11 + 8/11 =
  33. 33.5/8 + 1/3 =
  34. 34.5/7 + 1/9 =
  35. 35.4/7 − 2/10 =
  36. 36.1/2 + 1/2 =
  37. 37.1/2 + 2/4 =
  38. 38.3/10 + 7/11 =
  39. 39.4/6 + 2/6 =
  40. 40.9/12 − 5/8 =

Answer key

  1. 23/24
  2. 1/40
  3. 1/24
  4. 4/3
  5. 1/36
  6. 1/20
  7. 47/90
  8. 1/4
  9. 43/33
  10. 13/12
  11. 14/9
  12. 9/14
  13. 21/88
  14. 4/9
  15. 7/18
  16. 124/99
  17. 136/77
  18. 9/22
  19. 13/10
  20. 53/35
  21. 23/45
  22. 13/30
  23. 41/55
  24. 41/35
  25. 17/44
  26. 22/35
  27. 2/3
  28. 7/10
  29. 1/3
  30. 1/10
  31. 7/6
  32. 12/11
  33. 23/24
  34. 52/63
  35. 13/35
  36. 1
  37. 1
  38. 103/110
  39. 1
  40. 1/8

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