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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 340 · 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. 1.6/7 − 1/2 =
  2. 2.8/9 + 6/11 =
  3. 3.5/9 − 1/8 =
  4. 4.1/4 + 1/8 =
  5. 5.7/9 + 9/10 =
  6. 6.6/8 + 1/2 =
  7. 7.4/9 − 3/8 =
  8. 8.3/5 − 4/8 =
  9. 9.8/9 − 8/11 =
  10. 10.1/7 + 2/6 =
  11. 11.3/7 + 8/12 =
  12. 12.3/9 + 3/5 =
  13. 13.1/2 − 3/11 =
  14. 14.2/4 + 3/8 =
  15. 15.8/11 + 1/9 =
  16. 16.1/2 − 5/11 =
  17. 17.3/11 + 1/2 =
  18. 18.5/8 − 1/4 =
  19. 19.3/7 + 3/6 =
  20. 20.3/5 + 2/9 =
  21. 21.1/3 + 1/2 =
  22. 22.9/12 − 1/3 =
  23. 23.3/5 + 3/5 =
  24. 24.6/9 − 2/8 =
  25. 25.4/5 − 1/4 =
  26. 26.5/6 + 1/2 =
  27. 27.8/9 − 6/7 =
  28. 28.2/3 − 1/6 =
  29. 29.5/7 + 1/3 =
  30. 30.3/10 − 1/8 =
  31. 31.4/6 − 2/6 =
  32. 32.6/9 − 1/8 =
  33. 33.6/10 + 2/3 =
  34. 34.7/9 + 1/2 =
  35. 35.9/10 − 1/9 =
  36. 36.3/6 − 3/10 =
  37. 37.6/9 + 8/12 =
  38. 38.5/11 + 2/3 =
  39. 39.3/11 + 1/2 =
  40. 40.6/9 + 1/12 =

Answer key

  1. 5/14
  2. 142/99
  3. 31/72
  4. 3/8
  5. 151/90
  6. 5/4
  7. 5/72
  8. 1/10
  9. 16/99
  10. 10/21
  11. 23/21
  12. 14/15
  13. 5/22
  14. 7/8
  15. 83/99
  16. 1/22
  17. 17/22
  18. 3/8
  19. 13/14
  20. 37/45
  21. 5/6
  22. 5/12
  23. 6/5
  24. 5/12
  25. 11/20
  26. 4/3
  27. 2/63
  28. 1/2
  29. 22/21
  30. 7/40
  31. 1/3
  32. 13/24
  33. 19/15
  34. 23/18
  35. 71/90
  36. 1/5
  37. 4/3
  38. 37/33
  39. 17/22
  40. 3/4

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