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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 582 · 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. 2.5/10 + 2/10 =
  3. 3.1/2 − 1/3 =
  4. 4.2/5 + 1/8 =
  5. 5.3/4 − 4/9 =
  6. 6.1/2 + 2/4 =
  7. 7.1/2 + 1/3 =
  8. 8.10/12 + 1/3 =
  9. 9.1/8 + 4/12 =
  10. 10.4/8 − 1/3 =
  11. 11.5/7 + 3/12 =
  12. 12.1/2 + 1/3 =
  13. 13.1/4 + 1/4 =
  14. 14.2/4 − 1/5 =
  15. 15.4/9 + 1/3 =
  16. 16.2/7 − 1/4 =
  17. 17.6/10 + 6/10 =
  18. 18.4/5 + 4/7 =
  19. 19.4/5 + 1/4 =
  20. 20.1/2 + 1/2 =
  21. 21.3/11 − 1/6 =
  22. 22.3/8 + 7/9 =
  23. 23.6/8 − 3/6 =
  24. 24.1/2 + 2/7 =
  25. 25.1/6 + 8/9 =
  26. 26.1/4 + 5/7 =
  27. 27.4/8 + 11/12 =
  28. 28.6/12 + 3/12 =
  29. 29.3/5 − 1/7 =
  30. 30.7/9 − 1/11 =
  31. 31.1/3 + 1/6 =
  32. 32.3/4 − 1/3 =
  33. 33.1/5 + 3/9 =
  34. 34.3/5 − 3/6 =
  35. 35.2/8 + 1/5 =
  36. 36.7/8 + 2/7 =
  37. 37.5/7 + 5/9 =
  38. 38.2/4 + 3/5 =
  39. 39.2/3 − 1/2 =
  40. 40.1/3 + 2/10 =

Answer key

  1. 1
  2. 7/10
  3. 1/6
  4. 21/40
  5. 11/36
  6. 1
  7. 5/6
  8. 7/6
  9. 11/24
  10. 1/6
  11. 27/28
  12. 5/6
  13. 1/2
  14. 3/10
  15. 7/9
  16. 1/28
  17. 6/5
  18. 48/35
  19. 21/20
  20. 1
  21. 7/66
  22. 83/72
  23. 1/4
  24. 11/14
  25. 19/18
  26. 27/28
  27. 17/12
  28. 3/4
  29. 16/35
  30. 68/99
  31. 1/2
  32. 5/12
  33. 8/15
  34. 1/10
  35. 9/20
  36. 65/56
  37. 80/63
  38. 11/10
  39. 1/6
  40. 8/15

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