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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 788 · 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 + 2/10 =
  2. 2.3/11 + 1/2 =
  3. 3.3/4 + 1/2 =
  4. 4.1/8 + 1/2 =
  5. 5.1/2 + 4/10 =
  6. 6.2/7 + 11/12 =
  7. 7.2/4 + 6/8 =
  8. 8.6/11 − 3/7 =
  9. 9.5/7 − 1/3 =
  10. 10.5/9 − 2/8 =
  11. 11.1/4 + 1/2 =
  12. 12.8/10 + 5/8 =
  13. 13.3/5 − 1/6 =
  14. 14.4/5 + 9/10 =
  15. 15.1/3 + 2/3 =
  16. 16.2/10 + 1/4 =
  17. 17.6/11 + 4/9 =
  18. 18.3/4 + 1/10 =
  19. 19.1/11 + 4/7 =
  20. 20.1/10 − 1/11 =
  21. 21.8/11 − 3/12 =
  22. 22.2/3 − 1/5 =
  23. 23.2/3 + 5/12 =
  24. 24.6/7 − 1/2 =
  25. 25.1/3 + 2/7 =
  26. 26.7/10 + 1/2 =
  27. 27.3/4 − 1/6 =
  28. 28.3/8 − 2/7 =
  29. 29.1/2 + 3/7 =
  30. 30.1/2 + 2/8 =
  31. 31.8/11 − 4/10 =
  32. 32.2/4 − 3/10 =
  33. 33.6/10 + 2/6 =
  34. 34.9/11 + 2/3 =
  35. 35.4/11 − 3/11 =
  36. 36.9/10 − 1/4 =
  37. 37.1/3 + 4/6 =
  38. 38.3/6 + 1/2 =
  39. 39.2/3 − 2/4 =
  40. 40.2/4 + 1/3 =

Answer key

  1. 7/10
  2. 17/22
  3. 5/4
  4. 5/8
  5. 9/10
  6. 101/84
  7. 5/4
  8. 9/77
  9. 8/21
  10. 11/36
  11. 3/4
  12. 57/40
  13. 13/30
  14. 17/10
  15. 1
  16. 9/20
  17. 98/99
  18. 17/20
  19. 51/77
  20. 1/110
  21. 21/44
  22. 7/15
  23. 13/12
  24. 5/14
  25. 13/21
  26. 6/5
  27. 7/12
  28. 5/56
  29. 13/14
  30. 3/4
  31. 18/55
  32. 1/5
  33. 14/15
  34. 49/33
  35. 1/11
  36. 13/20
  37. 1
  38. 1
  39. 1/6
  40. 5/6

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