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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 217 · 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. 1.1/6 + 1/8 =
  2. 2.1/4 + 1/5 =
  3. 3.2/3 − 6/12 =
  4. 4.4/8 + 3/4 =
  5. 5.7/9 + 3/7 =
  6. 6.4/5 + 2/3 =
  7. 7.2/3 + 3/11 =
  8. 8.1/2 + 1/7 =
  9. 9.3/4 − 1/2 =
  10. 10.9/11 + 1/4 =
  11. 11.4/5 + 8/12 =
  12. 12.6/11 + 1/9 =
  13. 13.1/2 + 8/11 =
  14. 14.1/2 − 2/11 =
  15. 15.5/6 − 1/9 =
  16. 16.9/10 + 1/4 =
  17. 17.3/4 − 1/8 =
  18. 18.4/5 + 2/8 =
  19. 19.6/11 − 1/9 =
  20. 20.1/12 + 3/8 =
  21. 21.3/9 + 1/2 =
  22. 22.9/11 + 6/11 =
  23. 23.3/4 − 2/3 =
  24. 24.7/12 + 5/9 =
  25. 25.2/8 + 5/6 =
  26. 26.1/9 + 2/12 =
  27. 27.6/11 + 1/3 =
  28. 28.7/9 − 1/5 =
  29. 29.5/12 + 5/7 =
  30. 30.1/3 + 3/9 =
  31. 31.1/2 + 2/4 =
  32. 32.3/5 + 1/10 =
  33. 33.7/8 − 4/9 =
  34. 34.2/7 + 3/11 =
  35. 35.5/7 + 2/10 =
  36. 36.1/2 − 4/10 =
  37. 37.7/8 − 6/8 =
  38. 38.4/5 − 3/9 =
  39. 39.3/7 − 1/3 =
  40. 40.4/6 − 2/5 =

Answer key

  1. 7/24
  2. 9/20
  3. 1/6
  4. 5/4
  5. 76/63
  6. 22/15
  7. 31/33
  8. 9/14
  9. 1/4
  10. 47/44
  11. 22/15
  12. 65/99
  13. 27/22
  14. 7/22
  15. 13/18
  16. 23/20
  17. 5/8
  18. 21/20
  19. 43/99
  20. 11/24
  21. 5/6
  22. 15/11
  23. 1/12
  24. 41/36
  25. 13/12
  26. 5/18
  27. 29/33
  28. 26/45
  29. 95/84
  30. 2/3
  31. 1
  32. 7/10
  33. 31/72
  34. 43/77
  35. 32/35
  36. 1/10
  37. 1/8
  38. 7/15
  39. 2/21
  40. 4/15

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