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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 866 · 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. 1.1/9 + 1/2 =
  2. 2.2/3 − 1/4 =
  3. 3.1/2 + 5/6 =
  4. 4.2/7 + 11/12 =
  5. 5.6/10 − 1/2 =
  6. 6.2/11 + 5/7 =
  7. 7.4/8 + 2/7 =
  8. 8.8/10 + 3/12 =
  9. 9.2/4 + 1/2 =
  10. 10.3/8 + 1/2 =
  11. 11.5/7 − 2/6 =
  12. 12.2/11 − 2/12 =
  13. 13.8/11 + 4/9 =
  14. 14.2/5 − 1/3 =
  15. 15.3/4 − 1/3 =
  16. 16.2/5 + 3/8 =
  17. 17.8/9 − 3/5 =
  18. 18.2/3 − 1/2 =
  19. 19.2/10 + 5/10 =
  20. 20.1/9 + 2/7 =
  21. 21.4/5 + 3/5 =
  22. 22.8/12 − 3/5 =
  23. 23.2/5 + 4/7 =
  24. 24.3/9 + 8/10 =
  25. 25.4/5 + 4/5 =
  26. 26.3/6 + 3/5 =
  27. 27.2/3 + 1/2 =
  28. 28.3/6 + 9/11 =
  29. 29.1/2 + 1/2 =
  30. 30.1/2 − 1/3 =
  31. 31.3/6 + 9/10 =
  32. 32.7/9 + 1/4 =
  33. 33.5/11 + 1/9 =
  34. 34.7/9 − 1/7 =
  35. 35.1/2 + 4/5 =
  36. 36.2/3 − 1/5 =
  37. 37.6/10 + 6/10 =
  38. 38.1/2 + 3/10 =
  39. 39.2/8 + 3/12 =
  40. 40.4/7 + 2/4 =

Answer key

  1. 11/18
  2. 5/12
  3. 4/3
  4. 101/84
  5. 1/10
  6. 69/77
  7. 11/14
  8. 21/20
  9. 1
  10. 7/8
  11. 8/21
  12. 1/66
  13. 116/99
  14. 1/15
  15. 5/12
  16. 31/40
  17. 13/45
  18. 1/6
  19. 7/10
  20. 25/63
  21. 7/5
  22. 1/15
  23. 34/35
  24. 17/15
  25. 8/5
  26. 11/10
  27. 7/6
  28. 29/22
  29. 1
  30. 1/6
  31. 7/5
  32. 37/36
  33. 56/99
  34. 40/63
  35. 13/10
  36. 7/15
  37. 6/5
  38. 4/5
  39. 1/2
  40. 15/14

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