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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 724 · 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. 1.1/2 + 1/10 =
  2. 2.2/10 + 8/9 =
  3. 3.5/7 − 1/2 =
  4. 4.4/7 − 3/8 =
  5. 5.4/10 + 1/2 =
  6. 6.4/7 + 1/3 =
  7. 7.1/3 + 2/6 =
  8. 8.3/7 − 2/7 =
  9. 9.3/6 + 2/4 =
  10. 10.7/12 − 3/9 =
  11. 11.3/6 − 1/6 =
  12. 12.1/2 + 2/5 =
  13. 13.4/11 − 1/6 =
  14. 14.2/6 − 1/7 =
  15. 15.1/3 − 1/4 =
  16. 16.2/4 + 7/11 =
  17. 17.1/12 + 1/12 =
  18. 18.6/7 + 1/4 =
  19. 19.1/2 + 2/10 =
  20. 20.7/12 − 1/6 =
  21. 21.1/2 + 4/5 =
  22. 22.1/10 + 1/12 =
  23. 23.4/7 − 1/2 =
  24. 24.1/4 + 4/12 =
  25. 25.3/7 + 4/10 =
  26. 26.4/7 − 1/2 =
  27. 27.2/3 − 2/5 =
  28. 28.6/7 − 2/4 =
  29. 29.7/9 + 1/12 =
  30. 30.1/2 − 2/5 =
  31. 31.2/12 + 9/12 =
  32. 32.11/12 − 1/2 =
  33. 33.7/8 + 2/3 =
  34. 34.6/7 − 2/7 =
  35. 35.2/12 + 3/10 =
  36. 36.1/9 + 6/8 =
  37. 37.1/3 − 1/5 =
  38. 38.4/11 + 1/2 =
  39. 39.1/2 − 4/10 =
  40. 40.3/6 + 1/4 =

Answer key

  1. 3/5
  2. 49/45
  3. 3/14
  4. 11/56
  5. 9/10
  6. 19/21
  7. 2/3
  8. 1/7
  9. 1
  10. 1/4
  11. 1/3
  12. 9/10
  13. 13/66
  14. 4/21
  15. 1/12
  16. 25/22
  17. 1/6
  18. 31/28
  19. 7/10
  20. 5/12
  21. 13/10
  22. 11/60
  23. 1/14
  24. 7/12
  25. 29/35
  26. 1/14
  27. 4/15
  28. 5/14
  29. 31/36
  30. 1/10
  31. 11/12
  32. 5/12
  33. 37/24
  34. 4/7
  35. 7/15
  36. 31/36
  37. 2/15
  38. 19/22
  39. 1/10
  40. 3/4

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