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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 822 · 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. 1.6/7 + 1/4 =
  2. 2.3/5 − 1/2 =
  3. 3.1/2 − 1/4 =
  4. 4.3/5 + 2/11 =
  5. 5.1/5 + 3/5 =
  6. 6.1/2 + 1/4 =
  7. 7.1/3 + 1/2 =
  8. 8.3/5 + 7/10 =
  9. 9.2/6 + 4/6 =
  10. 10.1/2 + 1/2 =
  11. 11.5/8 − 1/3 =
  12. 12.3/5 + 1/2 =
  13. 13.3/6 + 3/4 =
  14. 14.1/7 + 2/6 =
  15. 15.10/11 + 5/8 =
  16. 16.9/10 − 1/5 =
  17. 17.2/8 + 1/2 =
  18. 18.1/4 + 2/9 =
  19. 19.7/9 + 5/7 =
  20. 20.2/3 + 2/7 =
  21. 21.1/2 + 2/3 =
  22. 22.4/5 + 2/3 =
  23. 23.2/6 + 1/7 =
  24. 24.6/8 + 5/8 =
  25. 25.1/4 + 3/9 =
  26. 26.7/9 + 1/12 =
  27. 27.11/12 − 1/6 =
  28. 28.6/10 + 1/2 =
  29. 29.1/7 + 1/2 =
  30. 30.1/10 + 2/8 =
  31. 31.10/11 + 2/4 =
  32. 32.10/12 − 1/10 =
  33. 33.6/12 − 2/8 =
  34. 34.3/6 + 1/3 =
  35. 35.6/12 + 1/8 =
  36. 36.5/6 − 3/4 =
  37. 37.2/3 − 4/7 =
  38. 38.2/3 + 2/11 =
  39. 39.7/8 − 3/5 =
  40. 40.1/2 − 1/10 =

Answer key

  1. 31/28
  2. 1/10
  3. 1/4
  4. 43/55
  5. 4/5
  6. 3/4
  7. 5/6
  8. 13/10
  9. 1
  10. 1
  11. 7/24
  12. 11/10
  13. 5/4
  14. 10/21
  15. 135/88
  16. 7/10
  17. 3/4
  18. 17/36
  19. 94/63
  20. 20/21
  21. 7/6
  22. 22/15
  23. 10/21
  24. 11/8
  25. 7/12
  26. 31/36
  27. 3/4
  28. 11/10
  29. 9/14
  30. 7/20
  31. 31/22
  32. 11/15
  33. 1/4
  34. 5/6
  35. 5/8
  36. 1/12
  37. 2/21
  38. 28/33
  39. 11/40
  40. 2/5

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