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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 320 · 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. 1.2/3 + 1/3 =
  2. 2.2/3 + 4/12 =
  3. 3.2/11 + 3/5 =
  4. 4.1/7 + 1/4 =
  5. 5.1/5 + 2/7 =
  6. 6.5/11 − 3/11 =
  7. 7.1/2 − 1/9 =
  8. 8.3/11 + 3/6 =
  9. 9.8/9 + 1/7 =
  10. 10.3/10 + 10/11 =
  11. 11.9/10 − 1/5 =
  12. 12.8/11 + 1/3 =
  13. 13.7/11 + 2/10 =
  14. 14.7/12 + 1/2 =
  15. 15.7/8 + 8/10 =
  16. 16.1/2 + 1/11 =
  17. 17.1/4 + 4/6 =
  18. 18.3/4 + 4/8 =
  19. 19.6/9 − 1/3 =
  20. 20.1/6 + 1/10 =
  21. 21.2/11 + 1/2 =
  22. 22.9/10 − 1/4 =
  23. 23.3/5 + 10/11 =
  24. 24.3/5 + 10/11 =
  25. 25.7/8 − 3/11 =
  26. 26.3/10 + 2/4 =
  27. 27.6/9 + 4/8 =
  28. 28.8/9 + 1/2 =
  29. 29.4/6 + 2/10 =
  30. 30.2/8 + 1/4 =
  31. 31.5/6 + 1/2 =
  32. 32.1/4 + 1/2 =
  33. 33.2/6 + 2/11 =
  34. 34.3/4 + 5/7 =
  35. 35.8/9 − 1/4 =
  36. 36.1/2 + 1/7 =
  37. 37.7/9 + 1/2 =
  38. 38.3/4 + 1/3 =
  39. 39.6/8 − 1/2 =
  40. 40.1/4 − 1/7 =

Answer key

  1. 1
  2. 1
  3. 43/55
  4. 11/28
  5. 17/35
  6. 2/11
  7. 7/18
  8. 17/22
  9. 65/63
  10. 133/110
  11. 7/10
  12. 35/33
  13. 46/55
  14. 13/12
  15. 67/40
  16. 13/22
  17. 11/12
  18. 5/4
  19. 1/3
  20. 4/15
  21. 15/22
  22. 13/20
  23. 83/55
  24. 83/55
  25. 53/88
  26. 4/5
  27. 7/6
  28. 25/18
  29. 13/15
  30. 1/2
  31. 4/3
  32. 3/4
  33. 17/33
  34. 41/28
  35. 23/36
  36. 9/14
  37. 23/18
  38. 13/12
  39. 1/4
  40. 3/28

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