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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 197 · 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. 1.6/8 + 1/3 =
  2. 2.1/7 + 1/8 =
  3. 3.4/6 + 4/5 =
  4. 4.5/6 + 2/7 =
  5. 5.4/5 + 4/11 =
  6. 6.11/12 − 2/4 =
  7. 7.5/6 − 2/5 =
  8. 8.5/6 − 4/12 =
  9. 9.2/3 + 8/9 =
  10. 10.2/3 − 1/2 =
  11. 11.1/3 + 7/8 =
  12. 12.6/9 + 5/11 =
  13. 13.3/11 + 1/5 =
  14. 14.4/9 − 1/3 =
  15. 15.4/7 − 1/3 =
  16. 16.6/7 − 5/9 =
  17. 17.5/8 + 6/9 =
  18. 18.1/4 + 1/12 =
  19. 19.2/4 + 10/12 =
  20. 20.4/11 + 1/9 =
  21. 21.1/2 + 1/7 =
  22. 22.8/10 − 2/5 =
  23. 23.1/4 + 1/4 =
  24. 24.7/10 + 7/8 =
  25. 25.1/3 − 3/11 =
  26. 26.11/12 − 2/8 =
  27. 27.3/5 + 3/8 =
  28. 28.2/3 + 7/12 =
  29. 29.7/8 + 5/7 =
  30. 30.10/12 − 2/4 =
  31. 31.1/12 + 1/2 =
  32. 32.2/6 + 10/12 =
  33. 33.1/3 + 4/12 =
  34. 34.1/4 + 3/4 =
  35. 35.1/2 + 2/5 =
  36. 36.5/9 + 3/8 =
  37. 37.2/9 + 2/3 =
  38. 38.5/8 + 1/2 =
  39. 39.1/2 − 2/11 =
  40. 40.7/10 + 1/12 =

Answer key

  1. 13/12
  2. 15/56
  3. 22/15
  4. 47/42
  5. 64/55
  6. 5/12
  7. 13/30
  8. 1/2
  9. 14/9
  10. 1/6
  11. 29/24
  12. 37/33
  13. 26/55
  14. 1/9
  15. 5/21
  16. 19/63
  17. 31/24
  18. 1/3
  19. 4/3
  20. 47/99
  21. 9/14
  22. 2/5
  23. 1/2
  24. 63/40
  25. 2/33
  26. 2/3
  27. 39/40
  28. 5/4
  29. 89/56
  30. 1/3
  31. 7/12
  32. 7/6
  33. 2/3
  34. 1
  35. 9/10
  36. 67/72
  37. 8/9
  38. 9/8
  39. 7/22
  40. 47/60

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