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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 741 · 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. 1.7/12 + 1/4 =
  2. 2.6/12 + 8/12 =
  3. 3.4/12 + 1/2 =
  4. 4.7/12 − 1/3 =
  5. 5.1/2 + 4/11 =
  6. 6.2/9 + 1/6 =
  7. 7.3/5 + 1/10 =
  8. 8.4/8 − 3/11 =
  9. 9.2/5 + 2/6 =
  10. 10.1/7 + 1/2 =
  11. 11.1/9 + 6/9 =
  12. 12.2/3 + 8/9 =
  13. 13.1/8 + 1/10 =
  14. 14.2/11 + 1/3 =
  15. 15.4/5 + 3/4 =
  16. 16.8/9 + 1/5 =
  17. 17.1/4 + 9/12 =
  18. 18.2/4 + 1/2 =
  19. 19.6/12 − 1/5 =
  20. 20.3/9 + 1/2 =
  21. 21.4/8 + 1/2 =
  22. 22.7/8 − 1/4 =
  23. 23.1/2 + 2/4 =
  24. 24.1/3 + 1/4 =
  25. 25.1/5 + 2/4 =
  26. 26.3/4 + 6/9 =
  27. 27.2/7 + 7/9 =
  28. 28.3/6 − 2/7 =
  29. 29.1/3 + 1/2 =
  30. 30.10/11 + 3/4 =
  31. 31.5/7 − 3/5 =
  32. 32.3/4 + 9/10 =
  33. 33.2/3 + 7/9 =
  34. 34.2/9 + 1/5 =
  35. 35.1/9 + 7/8 =
  36. 36.10/11 + 2/12 =
  37. 37.1/9 + 1/2 =
  38. 38.3/11 + 3/7 =
  39. 39.11/12 + 1/5 =
  40. 40.3/5 − 1/3 =

Answer key

  1. 5/6
  2. 7/6
  3. 5/6
  4. 1/4
  5. 19/22
  6. 7/18
  7. 7/10
  8. 5/22
  9. 11/15
  10. 9/14
  11. 7/9
  12. 14/9
  13. 9/40
  14. 17/33
  15. 31/20
  16. 49/45
  17. 1
  18. 1
  19. 3/10
  20. 5/6
  21. 1
  22. 5/8
  23. 1
  24. 7/12
  25. 7/10
  26. 17/12
  27. 67/63
  28. 3/14
  29. 5/6
  30. 73/44
  31. 4/35
  32. 33/20
  33. 13/9
  34. 19/45
  35. 71/72
  36. 71/66
  37. 11/18
  38. 54/77
  39. 67/60
  40. 4/15

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