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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 330 · 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. 1.4/9 + 1/2 =
  2. 2.1/2 + 9/12 =
  3. 3.1/8 + 1/2 =
  4. 4.3/5 + 1/4 =
  5. 5.1/2 + 1/2 =
  6. 6.3/8 − 1/3 =
  7. 7.2/7 + 1/2 =
  8. 8.2/11 + 5/7 =
  9. 9.4/10 − 3/12 =
  10. 10.3/7 + 2/4 =
  11. 11.2/4 + 2/4 =
  12. 12.9/12 − 3/5 =
  13. 13.6/9 − 5/12 =
  14. 14.2/8 + 4/9 =
  15. 15.7/12 − 1/2 =
  16. 16.1/2 + 1/2 =
  17. 17.7/10 + 2/6 =
  18. 18.6/7 + 8/12 =
  19. 19.3/4 + 7/8 =
  20. 20.1/4 − 1/5 =
  21. 21.1/2 − 2/6 =
  22. 22.4/6 + 5/6 =
  23. 23.8/10 − 5/11 =
  24. 24.4/5 − 1/11 =
  25. 25.5/7 − 3/6 =
  26. 26.4/5 + 1/3 =
  27. 27.1/2 + 1/2 =
  28. 28.4/9 + 6/12 =
  29. 29.1/3 + 4/7 =
  30. 30.5/6 + 2/7 =
  31. 31.6/8 + 2/6 =
  32. 32.4/8 + 7/11 =
  33. 33.1/6 + 5/6 =
  34. 34.6/12 − 2/5 =
  35. 35.2/6 − 1/4 =
  36. 36.6/7 + 5/9 =
  37. 37.3/4 + 6/7 =
  38. 38.3/5 − 3/11 =
  39. 39.3/4 − 1/5 =
  40. 40.2/4 + 7/10 =

Answer key

  1. 17/18
  2. 5/4
  3. 5/8
  4. 17/20
  5. 1
  6. 1/24
  7. 11/14
  8. 69/77
  9. 3/20
  10. 13/14
  11. 1
  12. 3/20
  13. 1/4
  14. 25/36
  15. 1/12
  16. 1
  17. 31/30
  18. 32/21
  19. 13/8
  20. 1/20
  21. 1/6
  22. 3/2
  23. 19/55
  24. 39/55
  25. 3/14
  26. 17/15
  27. 1
  28. 17/18
  29. 19/21
  30. 47/42
  31. 13/12
  32. 25/22
  33. 1
  34. 1/10
  35. 1/12
  36. 89/63
  37. 45/28
  38. 18/55
  39. 11/20
  40. 6/5

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