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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 79 · 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. 1.1/9 + 2/3 =
  2. 2.7/8 − 1/11 =
  3. 3.2/5 − 2/6 =
  4. 4.1/2 + 4/5 =
  5. 5.5/10 + 1/2 =
  6. 6.2/4 − 3/8 =
  7. 7.1/3 + 1/2 =
  8. 8.9/10 − 3/6 =
  9. 9.2/5 + 7/9 =
  10. 10.1/9 + 9/10 =
  11. 11.10/11 − 8/12 =
  12. 12.3/8 − 1/3 =
  13. 13.4/7 + 6/7 =
  14. 14.9/11 − 2/4 =
  15. 15.2/3 + 1/11 =
  16. 16.1/2 + 5/10 =
  17. 17.6/7 + 2/5 =
  18. 18.1/2 + 1/2 =
  19. 19.9/11 + 7/10 =
  20. 20.2/9 + 4/11 =
  21. 21.3/12 + 1/4 =
  22. 22.2/4 + 9/10 =
  23. 23.3/6 − 3/8 =
  24. 24.7/8 − 3/5 =
  25. 25.11/12 − 2/7 =
  26. 26.2/4 + 4/5 =
  27. 27.7/8 + 5/11 =
  28. 28.1/6 + 1/3 =
  29. 29.3/9 + 2/7 =
  30. 30.9/10 + 4/5 =
  31. 31.3/5 + 6/8 =
  32. 32.2/9 + 3/7 =
  33. 33.7/8 + 1/7 =
  34. 34.1/6 + 2/4 =
  35. 35.8/12 − 4/8 =
  36. 36.1/12 + 8/12 =
  37. 37.1/5 + 1/2 =
  38. 38.3/6 − 2/5 =
  39. 39.1/3 + 1/2 =
  40. 40.8/12 + 2/3 =

Answer key

  1. 7/9
  2. 69/88
  3. 1/15
  4. 13/10
  5. 1
  6. 1/8
  7. 5/6
  8. 2/5
  9. 53/45
  10. 91/90
  11. 8/33
  12. 1/24
  13. 10/7
  14. 7/22
  15. 25/33
  16. 1
  17. 44/35
  18. 1
  19. 167/110
  20. 58/99
  21. 1/2
  22. 7/5
  23. 1/8
  24. 11/40
  25. 53/84
  26. 13/10
  27. 117/88
  28. 1/2
  29. 13/21
  30. 17/10
  31. 27/20
  32. 41/63
  33. 57/56
  34. 2/3
  35. 1/6
  36. 3/4
  37. 7/10
  38. 1/10
  39. 5/6
  40. 4/3

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