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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 98 · 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. 1.3/5 + 5/6 =
  2. 2.3/5 − 3/11 =
  3. 3.7/8 − 4/6 =
  4. 4.2/7 + 7/9 =
  5. 5.4/6 − 2/4 =
  6. 6.1/5 + 4/8 =
  7. 7.5/12 + 10/12 =
  8. 8.1/2 + 3/12 =
  9. 9.2/10 + 6/10 =
  10. 10.1/2 + 1/9 =
  11. 11.8/11 − 2/7 =
  12. 12.6/10 + 1/5 =
  13. 13.1/3 + 3/6 =
  14. 14.6/9 + 6/9 =
  15. 15.2/10 + 2/6 =
  16. 16.2/4 − 1/11 =
  17. 17.1/5 + 9/11 =
  18. 18.1/5 + 4/7 =
  19. 19.4/6 − 3/12 =
  20. 20.2/10 − 1/9 =
  21. 21.3/4 + 1/10 =
  22. 22.2/3 + 1/7 =
  23. 23.6/12 + 2/7 =
  24. 24.1/2 + 3/5 =
  25. 25.2/9 − 1/12 =
  26. 26.4/7 − 2/4 =
  27. 27.7/9 − 2/5 =
  28. 28.2/11 + 4/5 =
  29. 29.3/4 − 1/2 =
  30. 30.4/7 − 1/2 =
  31. 31.1/10 + 3/8 =
  32. 32.5/9 + 3/12 =
  33. 33.10/12 + 7/12 =
  34. 34.3/4 − 1/8 =
  35. 35.4/10 + 4/12 =
  36. 36.2/12 + 1/6 =
  37. 37.2/6 + 1/3 =
  38. 38.1/2 + 1/3 =
  39. 39.4/5 − 4/8 =
  40. 40.3/5 + 1/10 =

Answer key

  1. 43/30
  2. 18/55
  3. 5/24
  4. 67/63
  5. 1/6
  6. 7/10
  7. 5/4
  8. 3/4
  9. 4/5
  10. 11/18
  11. 34/77
  12. 4/5
  13. 5/6
  14. 4/3
  15. 8/15
  16. 9/22
  17. 56/55
  18. 27/35
  19. 5/12
  20. 4/45
  21. 17/20
  22. 17/21
  23. 11/14
  24. 11/10
  25. 5/36
  26. 1/14
  27. 17/45
  28. 54/55
  29. 1/4
  30. 1/14
  31. 19/40
  32. 29/36
  33. 17/12
  34. 5/8
  35. 11/15
  36. 1/3
  37. 2/3
  38. 5/6
  39. 3/10
  40. 7/10

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