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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 874 · 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. 1.2/9 + 1/3 =
  2. 2.4/9 − 1/5 =
  3. 3.2/5 + 4/6 =
  4. 4.1/5 + 8/9 =
  5. 5.6/11 + 8/9 =
  6. 6.4/6 − 5/10 =
  7. 7.1/9 + 4/12 =
  8. 8.10/11 + 4/7 =
  9. 9.6/9 − 1/4 =
  10. 10.9/12 − 1/2 =
  11. 11.1/2 − 2/6 =
  12. 12.8/12 − 6/11 =
  13. 13.7/11 − 4/9 =
  14. 14.8/9 − 1/2 =
  15. 15.5/6 − 1/5 =
  16. 16.3/9 + 6/10 =
  17. 17.8/9 + 5/7 =
  18. 18.5/8 − 5/9 =
  19. 19.3/6 − 1/5 =
  20. 20.3/6 + 1/2 =
  21. 21.6/12 − 1/4 =
  22. 22.8/10 − 1/7 =
  23. 23.2/4 + 1/12 =
  24. 24.1/2 + 3/5 =
  25. 25.5/8 + 1/2 =
  26. 26.2/4 + 3/4 =
  27. 27.1/7 + 1/9 =
  28. 28.7/8 + 7/9 =
  29. 29.1/2 + 5/10 =
  30. 30.1/2 − 3/8 =
  31. 31.1/3 − 1/10 =
  32. 32.5/7 − 1/3 =
  33. 33.3/4 + 4/10 =
  34. 34.2/3 − 1/2 =
  35. 35.2/5 − 2/10 =
  36. 36.7/9 − 1/4 =
  37. 37.5/9 − 2/5 =
  38. 38.3/4 − 1/8 =
  39. 39.9/12 + 4/6 =
  40. 40.6/7 − 7/9 =

Answer key

  1. 5/9
  2. 11/45
  3. 16/15
  4. 49/45
  5. 142/99
  6. 1/6
  7. 4/9
  8. 114/77
  9. 5/12
  10. 1/4
  11. 1/6
  12. 4/33
  13. 19/99
  14. 7/18
  15. 19/30
  16. 14/15
  17. 101/63
  18. 5/72
  19. 3/10
  20. 1
  21. 1/4
  22. 23/35
  23. 7/12
  24. 11/10
  25. 9/8
  26. 5/4
  27. 16/63
  28. 119/72
  29. 1
  30. 1/8
  31. 7/30
  32. 8/21
  33. 23/20
  34. 1/6
  35. 1/5
  36. 19/36
  37. 7/45
  38. 5/8
  39. 17/12
  40. 5/63

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