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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 969 · 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. 1.7/8 − 2/11 =
  2. 2.5/6 − 3/4 =
  3. 3.1/2 + 1/6 =
  4. 4.3/11 − 1/4 =
  5. 5.1/4 + 2/9 =
  6. 6.3/4 − 1/10 =
  7. 7.2/3 + 8/12 =
  8. 8.4/5 + 1/11 =
  9. 9.1/4 + 9/11 =
  10. 10.1/4 + 1/7 =
  11. 11.3/11 − 1/8 =
  12. 12.6/7 − 9/11 =
  13. 13.3/9 + 7/12 =
  14. 14.4/5 + 1/3 =
  15. 15.9/12 − 1/2 =
  16. 16.10/12 − 1/12 =
  17. 17.6/10 + 2/9 =
  18. 18.5/9 − 1/2 =
  19. 19.6/7 + 1/5 =
  20. 20.4/10 − 1/3 =
  21. 21.9/11 − 1/5 =
  22. 22.6/7 − 4/8 =
  23. 23.2/4 + 3/4 =
  24. 24.3/4 − 4/7 =
  25. 25.5/6 − 2/5 =
  26. 26.9/12 − 1/2 =
  27. 27.3/12 + 6/7 =
  28. 28.4/10 + 1/2 =
  29. 29.1/2 + 1/2 =
  30. 30.2/4 − 2/7 =
  31. 31.6/7 − 1/2 =
  32. 32.1/2 + 1/4 =
  33. 33.8/12 + 2/8 =
  34. 34.5/6 + 4/11 =
  35. 35.1/4 + 1/2 =
  36. 36.1/9 + 1/7 =
  37. 37.2/3 + 8/11 =
  38. 38.1/5 + 8/10 =
  39. 39.1/2 + 1/8 =
  40. 40.2/5 + 1/4 =

Answer key

  1. 61/88
  2. 1/12
  3. 2/3
  4. 1/44
  5. 17/36
  6. 13/20
  7. 4/3
  8. 49/55
  9. 47/44
  10. 11/28
  11. 13/88
  12. 3/77
  13. 11/12
  14. 17/15
  15. 1/4
  16. 3/4
  17. 37/45
  18. 1/18
  19. 37/35
  20. 1/15
  21. 34/55
  22. 5/14
  23. 5/4
  24. 5/28
  25. 13/30
  26. 1/4
  27. 31/28
  28. 9/10
  29. 1
  30. 3/14
  31. 5/14
  32. 3/4
  33. 11/12
  34. 79/66
  35. 3/4
  36. 16/63
  37. 46/33
  38. 1
  39. 5/8
  40. 13/20

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