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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 473 · 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. 1.9/11 + 3/11 =
  2. 2.2/4 + 5/6 =
  3. 3.2/7 + 1/7 =
  4. 4.3/4 + 1/11 =
  5. 5.2/3 + 5/10 =
  6. 6.1/4 + 2/6 =
  7. 7.9/12 + 1/4 =
  8. 8.1/8 − 1/9 =
  9. 9.8/11 + 2/3 =
  10. 10.4/8 + 1/10 =
  11. 11.2/4 + 1/11 =
  12. 12.3/7 − 2/9 =
  13. 13.4/6 + 5/9 =
  14. 14.6/10 − 5/9 =
  15. 15.1/8 + 3/12 =
  16. 16.2/3 − 1/2 =
  17. 17.1/4 + 1/8 =
  18. 18.7/11 + 6/8 =
  19. 19.5/8 + 2/11 =
  20. 20.7/11 + 1/3 =
  21. 21.1/2 + 2/10 =
  22. 22.2/5 + 6/10 =
  23. 23.5/6 + 4/7 =
  24. 24.3/5 + 2/8 =
  25. 25.1/9 + 4/9 =
  26. 26.2/3 − 1/8 =
  27. 27.4/5 + 1/4 =
  28. 28.9/10 + 2/3 =
  29. 29.1/6 + 1/2 =
  30. 30.2/3 − 2/5 =
  31. 31.4/6 + 1/2 =
  32. 32.7/11 − 1/2 =
  33. 33.2/8 − 1/6 =
  34. 34.1/6 + 6/10 =
  35. 35.1/2 + 6/7 =
  36. 36.2/3 − 1/2 =
  37. 37.3/9 + 1/11 =
  38. 38.6/11 − 3/7 =
  39. 39.4/7 − 5/9 =
  40. 40.9/10 − 6/10 =

Answer key

  1. 12/11
  2. 4/3
  3. 3/7
  4. 37/44
  5. 7/6
  6. 7/12
  7. 1
  8. 1/72
  9. 46/33
  10. 3/5
  11. 13/22
  12. 13/63
  13. 11/9
  14. 2/45
  15. 3/8
  16. 1/6
  17. 3/8
  18. 61/44
  19. 71/88
  20. 32/33
  21. 7/10
  22. 1
  23. 59/42
  24. 17/20
  25. 5/9
  26. 13/24
  27. 21/20
  28. 47/30
  29. 2/3
  30. 4/15
  31. 7/6
  32. 3/22
  33. 1/12
  34. 23/30
  35. 19/14
  36. 1/6
  37. 14/33
  38. 9/77
  39. 1/63
  40. 3/10

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