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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 912 · 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 + 1/2 =
  2. 2.1/5 + 1/2 =
  3. 3.3/6 + 1/3 =
  4. 4.1/3 − 1/5 =
  5. 5.5/6 + 1/2 =
  6. 6.7/12 + 7/8 =
  7. 7.8/10 + 8/10 =
  8. 8.2/6 − 2/7 =
  9. 9.2/4 + 1/2 =
  10. 10.6/8 − 2/4 =
  11. 11.7/10 + 2/3 =
  12. 12.8/11 − 3/5 =
  13. 13.9/12 − 2/5 =
  14. 14.4/6 + 7/11 =
  15. 15.3/4 + 3/4 =
  16. 16.8/12 + 5/6 =
  17. 17.7/8 + 1/9 =
  18. 18.4/5 − 2/4 =
  19. 19.9/11 − 2/5 =
  20. 20.1/2 − 2/10 =
  21. 21.2/8 + 6/7 =
  22. 22.6/10 − 1/2 =
  23. 23.1/7 + 5/8 =
  24. 24.1/2 + 5/12 =
  25. 25.1/3 + 6/7 =
  26. 26.2/6 + 1/2 =
  27. 27.4/9 + 4/9 =
  28. 28.2/8 + 1/2 =
  29. 29.6/10 − 2/4 =
  30. 30.1/2 + 3/9 =
  31. 31.1/4 + 3/5 =
  32. 32.7/8 − 1/11 =
  33. 33.4/12 + 5/7 =
  34. 34.8/9 + 7/8 =
  35. 35.3/4 − 6/12 =
  36. 36.3/12 + 1/3 =
  37. 37.4/11 + 7/8 =
  38. 38.3/4 − 1/2 =
  39. 39.3/4 + 1/4 =
  40. 40.4/7 + 2/3 =

Answer key

  1. 1
  2. 7/10
  3. 5/6
  4. 2/15
  5. 4/3
  6. 35/24
  7. 8/5
  8. 1/21
  9. 1
  10. 1/4
  11. 41/30
  12. 7/55
  13. 7/20
  14. 43/33
  15. 3/2
  16. 3/2
  17. 71/72
  18. 3/10
  19. 23/55
  20. 3/10
  21. 31/28
  22. 1/10
  23. 43/56
  24. 11/12
  25. 25/21
  26. 5/6
  27. 8/9
  28. 3/4
  29. 1/10
  30. 5/6
  31. 17/20
  32. 69/88
  33. 22/21
  34. 127/72
  35. 1/4
  36. 7/12
  37. 109/88
  38. 1/4
  39. 1
  40. 26/21

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