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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 521 · 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 + 1/7 =
  2. 2.7/9 − 3/5 =
  3. 3.4/10 + 1/8 =
  4. 4.1/6 + 5/7 =
  5. 5.2/3 − 4/11 =
  6. 6.2/3 − 1/12 =
  7. 7.2/8 − 2/11 =
  8. 8.2/7 − 1/4 =
  9. 9.2/7 − 1/7 =
  10. 10.2/3 + 2/10 =
  11. 11.5/7 + 1/10 =
  12. 12.1/4 + 2/7 =
  13. 13.6/8 + 5/10 =
  14. 14.1/5 + 3/8 =
  15. 15.1/3 + 8/12 =
  16. 16.1/5 + 2/5 =
  17. 17.6/8 − 7/10 =
  18. 18.2/4 + 1/11 =
  19. 19.6/10 − 3/12 =
  20. 20.3/10 + 2/4 =
  21. 21.5/8 − 1/2 =
  22. 22.1/4 − 1/7 =
  23. 23.5/12 + 3/7 =
  24. 24.3/9 + 3/4 =
  25. 25.1/2 + 1/2 =
  26. 26.1/4 + 2/8 =
  27. 27.1/2 + 8/10 =
  28. 28.5/11 + 7/9 =
  29. 29.1/8 + 1/2 =
  30. 30.7/8 + 1/4 =
  31. 31.1/2 − 1/12 =
  32. 32.4/10 + 6/7 =
  33. 33.3/4 + 1/2 =
  34. 34.2/5 + 3/8 =
  35. 35.1/2 + 2/4 =
  36. 36.1/4 + 1/3 =
  37. 37.8/10 + 2/4 =
  38. 38.1/2 + 5/6 =
  39. 39.4/9 + 4/6 =
  40. 40.10/11 + 5/8 =

Answer key

  1. 25/28
  2. 8/45
  3. 21/40
  4. 37/42
  5. 10/33
  6. 7/12
  7. 3/44
  8. 1/28
  9. 1/7
  10. 13/15
  11. 57/70
  12. 15/28
  13. 5/4
  14. 23/40
  15. 1
  16. 3/5
  17. 1/20
  18. 13/22
  19. 7/20
  20. 4/5
  21. 1/8
  22. 3/28
  23. 71/84
  24. 13/12
  25. 1
  26. 1/2
  27. 13/10
  28. 122/99
  29. 5/8
  30. 9/8
  31. 5/12
  32. 44/35
  33. 5/4
  34. 31/40
  35. 1
  36. 7/12
  37. 13/10
  38. 4/3
  39. 10/9
  40. 135/88

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