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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 222 · 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. 1.2/10 + 3/6 =
  2. 2.4/5 + 1/4 =
  3. 3.2/4 + 1/6 =
  4. 4.4/7 + 7/8 =
  5. 5.5/10 + 1/2 =
  6. 6.6/7 + 3/4 =
  7. 7.2/8 + 11/12 =
  8. 8.1/2 + 11/12 =
  9. 9.2/9 − 1/8 =
  10. 10.1/8 + 7/11 =
  11. 11.4/6 + 2/4 =
  12. 12.8/10 − 3/11 =
  13. 13.1/2 + 1/2 =
  14. 14.2/11 + 7/9 =
  15. 15.1/6 + 5/7 =
  16. 16.2/4 + 3/8 =
  17. 17.4/8 + 1/2 =
  18. 18.6/11 + 1/2 =
  19. 19.2/9 + 1/9 =
  20. 20.3/4 + 3/7 =
  21. 21.2/11 + 2/5 =
  22. 22.2/3 − 1/9 =
  23. 23.2/3 − 4/7 =
  24. 24.4/11 − 1/7 =
  25. 25.9/12 − 6/9 =
  26. 26.8/10 − 3/4 =
  27. 27.2/3 − 1/12 =
  28. 28.3/12 − 1/12 =
  29. 29.1/3 + 1/3 =
  30. 30.2/6 + 7/9 =
  31. 31.2/4 − 1/3 =
  32. 32.6/11 − 2/11 =
  33. 33.7/11 + 1/9 =
  34. 34.4/5 − 1/5 =
  35. 35.5/7 − 1/4 =
  36. 36.10/11 − 1/3 =
  37. 37.2/4 + 1/2 =
  38. 38.2/4 + 1/8 =
  39. 39.4/6 + 6/7 =
  40. 40.4/7 + 4/7 =

Answer key

  1. 7/10
  2. 21/20
  3. 2/3
  4. 81/56
  5. 1
  6. 45/28
  7. 7/6
  8. 17/12
  9. 7/72
  10. 67/88
  11. 7/6
  12. 29/55
  13. 1
  14. 95/99
  15. 37/42
  16. 7/8
  17. 1
  18. 23/22
  19. 1/3
  20. 33/28
  21. 32/55
  22. 5/9
  23. 2/21
  24. 17/77
  25. 1/12
  26. 1/20
  27. 7/12
  28. 1/6
  29. 2/3
  30. 10/9
  31. 1/6
  32. 4/11
  33. 74/99
  34. 3/5
  35. 13/28
  36. 19/33
  37. 1
  38. 5/8
  39. 32/21
  40. 8/7

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