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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 553 · 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. 1.1/8 + 6/11 =
  2. 2.2/12 + 3/4 =
  3. 3.4/9 + 2/3 =
  4. 4.2/4 + 3/5 =
  5. 5.1/3 + 3/5 =
  6. 6.2/8 + 1/4 =
  7. 7.8/9 + 1/6 =
  8. 8.3/6 + 1/3 =
  9. 9.2/3 + 5/10 =
  10. 10.1/2 − 1/3 =
  11. 11.1/4 + 5/7 =
  12. 12.2/11 + 8/9 =
  13. 13.1/2 − 1/5 =
  14. 14.1/4 + 2/5 =
  15. 15.4/11 + 5/7 =
  16. 16.1/4 + 4/12 =
  17. 17.5/7 + 3/7 =
  18. 18.1/4 + 9/11 =
  19. 19.7/9 + 2/12 =
  20. 20.6/8 + 3/9 =
  21. 21.5/10 + 2/4 =
  22. 22.4/6 + 3/6 =
  23. 23.3/6 + 4/8 =
  24. 24.4/5 + 2/6 =
  25. 25.4/7 + 2/10 =
  26. 26.2/6 + 1/11 =
  27. 27.3/4 − 2/9 =
  28. 28.7/10 − 4/6 =
  29. 29.3/4 + 6/7 =
  30. 30.5/11 + 4/6 =
  31. 31.1/2 + 2/8 =
  32. 32.7/9 + 2/11 =
  33. 33.2/3 − 1/2 =
  34. 34.2/4 + 1/3 =
  35. 35.2/3 + 2/5 =
  36. 36.6/7 − 2/7 =
  37. 37.6/11 − 2/5 =
  38. 38.2/5 + 1/7 =
  39. 39.2/3 + 11/12 =
  40. 40.4/5 − 1/10 =

Answer key

  1. 59/88
  2. 11/12
  3. 10/9
  4. 11/10
  5. 14/15
  6. 1/2
  7. 19/18
  8. 5/6
  9. 7/6
  10. 1/6
  11. 27/28
  12. 106/99
  13. 3/10
  14. 13/20
  15. 83/77
  16. 7/12
  17. 8/7
  18. 47/44
  19. 17/18
  20. 13/12
  21. 1
  22. 7/6
  23. 1
  24. 17/15
  25. 27/35
  26. 14/33
  27. 19/36
  28. 1/30
  29. 45/28
  30. 37/33
  31. 3/4
  32. 95/99
  33. 1/6
  34. 5/6
  35. 16/15
  36. 4/7
  37. 8/55
  38. 19/35
  39. 19/12
  40. 7/10

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