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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 278 · 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 − 4/11 =
  2. 2.2/3 + 4/12 =
  3. 3.3/9 + 1/3 =
  4. 4.9/11 − 3/4 =
  5. 5.1/2 + 5/6 =
  6. 6.1/2 + 1/2 =
  7. 7.2/3 + 7/8 =
  8. 8.7/9 + 7/8 =
  9. 9.1/2 + 2/8 =
  10. 10.5/6 − 5/11 =
  11. 11.4/11 − 1/4 =
  12. 12.7/12 + 1/3 =
  13. 13.1/3 − 3/12 =
  14. 14.3/6 + 3/5 =
  15. 15.6/8 − 1/2 =
  16. 16.2/5 + 9/11 =
  17. 17.8/11 + 1/7 =
  18. 18.3/12 + 1/4 =
  19. 19.7/8 + 2/3 =
  20. 20.1/8 + 4/5 =
  21. 21.3/5 − 1/2 =
  22. 22.1/2 − 1/5 =
  23. 23.5/6 − 1/3 =
  24. 24.7/11 + 7/12 =
  25. 25.2/11 + 8/9 =
  26. 26.1/10 + 2/12 =
  27. 27.8/9 − 4/6 =
  28. 28.5/6 − 2/3 =
  29. 29.3/6 − 2/10 =
  30. 30.2/7 + 5/9 =
  31. 31.1/2 + 3/4 =
  32. 32.2/4 − 1/4 =
  33. 33.4/6 − 1/7 =
  34. 34.5/8 + 2/8 =
  35. 35.10/12 − 1/4 =
  36. 36.1/11 + 1/10 =
  37. 37.4/8 − 1/11 =
  38. 38.5/6 − 1/3 =
  39. 39.3/12 + 2/5 =
  40. 40.2/3 − 1/2 =

Answer key

  1. 17/44
  2. 1
  3. 2/3
  4. 3/44
  5. 4/3
  6. 1
  7. 37/24
  8. 119/72
  9. 3/4
  10. 25/66
  11. 5/44
  12. 11/12
  13. 1/12
  14. 11/10
  15. 1/4
  16. 67/55
  17. 67/77
  18. 1/2
  19. 37/24
  20. 37/40
  21. 1/10
  22. 3/10
  23. 1/2
  24. 161/132
  25. 106/99
  26. 4/15
  27. 2/9
  28. 1/6
  29. 3/10
  30. 53/63
  31. 5/4
  32. 1/4
  33. 11/21
  34. 7/8
  35. 7/12
  36. 21/110
  37. 9/22
  38. 1/2
  39. 13/20
  40. 1/6

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