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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 883 · 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. 1.4/11 − 2/10 =
  2. 2.5/6 + 3/9 =
  3. 3.3/4 + 1/5 =
  4. 4.3/5 + 1/2 =
  5. 5.2/11 + 1/10 =
  6. 6.1/2 + 2/9 =
  7. 7.2/4 + 3/4 =
  8. 8.1/4 + 3/4 =
  9. 9.2/4 − 2/6 =
  10. 10.11/12 − 1/4 =
  11. 11.2/5 + 1/11 =
  12. 12.2/6 + 1/2 =
  13. 13.1/3 + 3/12 =
  14. 14.4/5 + 4/12 =
  15. 15.3/12 + 1/3 =
  16. 16.5/10 + 7/10 =
  17. 17.2/6 + 6/9 =
  18. 18.4/10 + 1/2 =
  19. 19.8/9 − 8/10 =
  20. 20.7/9 + 1/7 =
  21. 21.11/12 − 5/10 =
  22. 22.4/8 − 3/10 =
  23. 23.1/3 + 2/4 =
  24. 24.4/5 + 6/8 =
  25. 25.6/7 + 3/11 =
  26. 26.4/9 − 2/5 =
  27. 27.6/7 − 5/12 =
  28. 28.9/10 − 1/2 =
  29. 29.2/4 + 6/9 =
  30. 30.1/4 + 8/12 =
  31. 31.3/10 − 2/11 =
  32. 32.4/5 + 5/6 =
  33. 33.2/6 + 6/11 =
  34. 34.5/8 + 2/11 =
  35. 35.3/10 + 1/3 =
  36. 36.11/12 + 7/9 =
  37. 37.9/11 − 7/12 =
  38. 38.1/4 + 2/4 =
  39. 39.8/9 − 2/5 =
  40. 40.3/4 + 1/3 =

Answer key

  1. 9/55
  2. 7/6
  3. 19/20
  4. 11/10
  5. 31/110
  6. 13/18
  7. 5/4
  8. 1
  9. 1/6
  10. 2/3
  11. 27/55
  12. 5/6
  13. 7/12
  14. 17/15
  15. 7/12
  16. 6/5
  17. 1
  18. 9/10
  19. 4/45
  20. 58/63
  21. 5/12
  22. 1/5
  23. 5/6
  24. 31/20
  25. 87/77
  26. 2/45
  27. 37/84
  28. 2/5
  29. 7/6
  30. 11/12
  31. 13/110
  32. 49/30
  33. 29/33
  34. 71/88
  35. 19/30
  36. 61/36
  37. 31/132
  38. 3/4
  39. 22/45
  40. 13/12

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