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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 369 · 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. 1.4/8 + 1/4 =
  2. 2.9/12 + 5/12 =
  3. 3.2/6 + 2/11 =
  4. 4.1/2 + 3/8 =
  5. 5.3/6 + 3/4 =
  6. 6.4/7 + 1/3 =
  7. 7.1/2 − 4/10 =
  8. 8.2/7 − 1/4 =
  9. 9.7/11 − 3/5 =
  10. 10.1/7 + 3/5 =
  11. 11.3/6 + 1/2 =
  12. 12.9/10 + 4/5 =
  13. 13.1/3 + 1/7 =
  14. 14.1/5 + 1/5 =
  15. 15.8/10 − 1/2 =
  16. 16.9/11 + 4/7 =
  17. 17.9/11 + 3/12 =
  18. 18.1/5 + 4/5 =
  19. 19.3/4 + 1/3 =
  20. 20.2/4 + 4/5 =
  21. 21.2/5 + 1/10 =
  22. 22.8/12 + 4/9 =
  23. 23.6/7 + 2/4 =
  24. 24.2/3 − 4/12 =
  25. 25.3/4 − 2/12 =
  26. 26.2/4 − 1/5 =
  27. 27.1/2 − 1/5 =
  28. 28.3/10 − 2/8 =
  29. 29.2/4 − 3/8 =
  30. 30.3/4 + 5/8 =
  31. 31.1/2 + 2/5 =
  32. 32.4/8 + 1/2 =
  33. 33.4/5 + 3/12 =
  34. 34.4/10 − 3/8 =
  35. 35.4/10 + 3/9 =
  36. 36.1/2 + 2/7 =
  37. 37.1/6 + 4/6 =
  38. 38.10/12 + 7/8 =
  39. 39.2/3 + 8/11 =
  40. 40.7/10 + 1/2 =

Answer key

  1. 3/4
  2. 7/6
  3. 17/33
  4. 7/8
  5. 5/4
  6. 19/21
  7. 1/10
  8. 1/28
  9. 2/55
  10. 26/35
  11. 1
  12. 17/10
  13. 10/21
  14. 2/5
  15. 3/10
  16. 107/77
  17. 47/44
  18. 1
  19. 13/12
  20. 13/10
  21. 1/2
  22. 10/9
  23. 19/14
  24. 1/3
  25. 7/12
  26. 3/10
  27. 3/10
  28. 1/20
  29. 1/8
  30. 11/8
  31. 9/10
  32. 1
  33. 21/20
  34. 1/40
  35. 11/15
  36. 11/14
  37. 5/6
  38. 41/24
  39. 46/33
  40. 6/5

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