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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 379 · 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. 1.3/12 + 2/3 =
  2. 2.6/9 + 2/5 =
  3. 3.2/4 + 5/12 =
  4. 4.3/4 + 3/4 =
  5. 5.1/4 + 1/8 =
  6. 6.1/6 + 5/7 =
  7. 7.2/6 − 1/6 =
  8. 8.3/10 − 1/8 =
  9. 9.1/3 + 1/8 =
  10. 10.2/4 + 8/9 =
  11. 11.2/10 + 3/5 =
  12. 12.4/5 − 4/12 =
  13. 13.6/11 − 2/4 =
  14. 14.4/9 + 7/10 =
  15. 15.5/7 − 4/9 =
  16. 16.1/4 + 1/4 =
  17. 17.1/7 + 1/3 =
  18. 18.3/4 − 4/7 =
  19. 19.1/2 + 6/12 =
  20. 20.4/7 + 4/7 =
  21. 21.6/11 − 6/12 =
  22. 22.1/8 + 1/4 =
  23. 23.5/7 − 3/9 =
  24. 24.7/11 + 1/2 =
  25. 25.4/8 − 1/4 =
  26. 26.4/5 − 1/11 =
  27. 27.4/6 − 1/2 =
  28. 28.3/9 − 1/6 =
  29. 29.2/3 + 4/5 =
  30. 30.2/3 − 2/12 =
  31. 31.1/2 + 7/9 =
  32. 32.5/10 + 8/12 =
  33. 33.2/5 + 3/6 =
  34. 34.5/11 − 4/11 =
  35. 35.3/4 + 2/4 =
  36. 36.2/11 + 6/7 =
  37. 37.2/4 − 1/10 =
  38. 38.1/2 + 1/3 =
  39. 39.2/3 + 2/5 =
  40. 40.5/8 − 4/11 =

Answer key

  1. 11/12
  2. 16/15
  3. 11/12
  4. 3/2
  5. 3/8
  6. 37/42
  7. 1/6
  8. 7/40
  9. 11/24
  10. 25/18
  11. 4/5
  12. 7/15
  13. 1/22
  14. 103/90
  15. 17/63
  16. 1/2
  17. 10/21
  18. 5/28
  19. 1
  20. 8/7
  21. 1/22
  22. 3/8
  23. 8/21
  24. 25/22
  25. 1/4
  26. 39/55
  27. 1/6
  28. 1/6
  29. 22/15
  30. 1/2
  31. 23/18
  32. 7/6
  33. 9/10
  34. 1/11
  35. 5/4
  36. 80/77
  37. 2/5
  38. 5/6
  39. 16/15
  40. 23/88

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