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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 888 · 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. 1.3/4 + 1/2 =
  2. 2.4/6 + 1/2 =
  3. 3.4/5 − 1/4 =
  4. 4.3/10 + 1/2 =
  5. 5.2/5 + 6/11 =
  6. 6.1/7 + 1/5 =
  7. 7.4/8 − 1/3 =
  8. 8.7/8 + 5/9 =
  9. 9.2/8 + 8/12 =
  10. 10.8/12 + 3/10 =
  11. 11.3/4 − 3/6 =
  12. 12.2/3 − 1/2 =
  13. 13.2/7 − 1/4 =
  14. 14.7/9 + 7/9 =
  15. 15.1/4 + 5/6 =
  16. 16.1/2 − 3/8 =
  17. 17.7/8 + 2/7 =
  18. 18.5/11 + 5/9 =
  19. 19.2/3 + 3/8 =
  20. 20.8/10 + 2/4 =
  21. 21.2/4 + 4/5 =
  22. 22.1/4 + 2/4 =
  23. 23.2/4 + 1/3 =
  24. 24.5/7 + 3/9 =
  25. 25.7/11 − 1/2 =
  26. 26.5/9 − 2/5 =
  27. 27.4/11 + 2/7 =
  28. 28.2/3 + 1/7 =
  29. 29.6/12 + 5/9 =
  30. 30.3/10 + 6/8 =
  31. 31.5/7 + 1/2 =
  32. 32.3/8 + 3/4 =
  33. 33.3/7 + 4/7 =
  34. 34.7/12 + 2/8 =
  35. 35.1/2 + 1/5 =
  36. 36.8/9 + 2/5 =
  37. 37.5/8 + 6/7 =
  38. 38.2/5 − 4/12 =
  39. 39.11/12 − 1/3 =
  40. 40.4/6 − 1/2 =

Answer key

  1. 5/4
  2. 7/6
  3. 11/20
  4. 4/5
  5. 52/55
  6. 12/35
  7. 1/6
  8. 103/72
  9. 11/12
  10. 29/30
  11. 1/4
  12. 1/6
  13. 1/28
  14. 14/9
  15. 13/12
  16. 1/8
  17. 65/56
  18. 100/99
  19. 25/24
  20. 13/10
  21. 13/10
  22. 3/4
  23. 5/6
  24. 22/21
  25. 3/22
  26. 7/45
  27. 50/77
  28. 17/21
  29. 19/18
  30. 21/20
  31. 17/14
  32. 9/8
  33. 1
  34. 5/6
  35. 7/10
  36. 58/45
  37. 83/56
  38. 1/15
  39. 7/12
  40. 1/6

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