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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 180 · 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 + 3/10 =
  2. 2.2/4 + 6/12 =
  3. 3.9/10 − 6/10 =
  4. 4.7/9 + 1/2 =
  5. 5.1/6 + 2/4 =
  6. 6.1/4 + 1/7 =
  7. 7.2/4 + 1/6 =
  8. 8.3/6 + 1/2 =
  9. 9.2/6 + 4/9 =
  10. 10.11/12 − 7/12 =
  11. 11.4/6 − 1/5 =
  12. 12.2/7 + 2/6 =
  13. 13.1/2 + 1/3 =
  14. 14.4/11 + 5/9 =
  15. 15.4/6 + 1/8 =
  16. 16.9/12 + 1/2 =
  17. 17.8/9 + 2/10 =
  18. 18.2/3 + 10/11 =
  19. 19.2/5 + 2/11 =
  20. 20.2/7 + 4/8 =
  21. 21.1/5 + 2/3 =
  22. 22.3/9 + 1/4 =
  23. 23.8/9 − 3/6 =
  24. 24.4/5 − 4/6 =
  25. 25.5/7 + 1/4 =
  26. 26.1/3 + 7/9 =
  27. 27.9/12 − 8/11 =
  28. 28.4/9 + 5/8 =
  29. 29.4/7 + 6/7 =
  30. 30.7/10 + 2/9 =
  31. 31.4/5 − 4/6 =
  32. 32.9/11 + 4/9 =
  33. 33.10/11 + 1/5 =
  34. 34.10/12 − 1/3 =
  35. 35.2/4 + 1/2 =
  36. 36.3/7 + 1/2 =
  37. 37.6/8 − 1/10 =
  38. 38.1/2 + 3/5 =
  39. 39.8/11 − 3/12 =
  40. 40.6/12 − 1/3 =

Answer key

  1. 67/90
  2. 1
  3. 3/10
  4. 23/18
  5. 2/3
  6. 11/28
  7. 2/3
  8. 1
  9. 7/9
  10. 1/3
  11. 7/15
  12. 13/21
  13. 5/6
  14. 91/99
  15. 19/24
  16. 5/4
  17. 49/45
  18. 52/33
  19. 32/55
  20. 11/14
  21. 13/15
  22. 7/12
  23. 7/18
  24. 2/15
  25. 27/28
  26. 10/9
  27. 1/44
  28. 77/72
  29. 10/7
  30. 83/90
  31. 2/15
  32. 125/99
  33. 61/55
  34. 1/2
  35. 1
  36. 13/14
  37. 13/20
  38. 11/10
  39. 21/44
  40. 1/6

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